Search a number
-
+
233107400 = 235217237109
BaseRepresentation
bin11011110010011…
…10111111001000
3121020122002020102
431321032333020
5434133414100
635044144532
75530244261
oct1571167710
9536562212
10233107400
1110a646049
1266098148
13393a9796
1422d5d968
15156e8cd5
hexde4efc8

233107400 has 144 divisors (see below), whose sum is σ = 596715900. Its totient is φ = 84602880.

The previous prime is 233107397. The next prime is 233107403. The reversal of 233107400 is 4701332.

It is an interprime number because it is at equal distance from previous prime (233107397) and next prime (233107403).

It can be written as a sum of positive squares in 18 ways, for example, as 50154724 + 182952676 = 7082^2 + 13526^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (233107403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2138546 + ... + 2138654.

Almost surely, 2233107400 is an apocalyptic number.

233107400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233107400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298357950).

233107400 is an abundant number, since it is smaller than the sum of its proper divisors (363608500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233107400 is a wasteful number, since it uses less digits than its factorization.

233107400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 233107400 is about 15267.8551211360. The cubic root of 233107400 is about 615.4394814062.

Adding to 233107400 its reverse (4701332), we get a palindrome (237808732).

The spelling of 233107400 in words is "two hundred thirty-three million, one hundred seven thousand, four hundred".

Divisors: 1 2 4 5 8 10 17 20 25 34 37 40 50 68 74 85 100 109 136 148 170 185 200 218 289 296 340 370 425 436 545 578 629 680 740 850 872 925 1090 1156 1258 1445 1480 1700 1850 1853 2180 2312 2516 2725 2890 3145 3400 3700 3706 4033 4360 5032 5450 5780 6290 7225 7400 7412 8066 9265 10693 10900 11560 12580 14450 14824 15725 16132 18530 20165 21386 21800 25160 28900 31450 31501 32264 37060 40330 42772 46325 53465 57800 62900 63002 68561 74120 80660 85544 92650 100825 106930 125800 126004 137122 157505 161320 185300 201650 213860 252008 267325 274244 315010 342805 370600 403300 427720 534650 548488 630020 685610 787525 806600 1069300 1165537 1260040 1371220 1575050 1714025 2138600 2331074 2742440 3150100 3428050 4662148 5827685 6300200 6856100 9324296 11655370 13712200 23310740 29138425 46621480 58276850 116553700 233107400