Search a number
-
+
233234400 = 25352713883
BaseRepresentation
bin11011110011011…
…01111111100000
3121020212112110010
431321231333200
5434202000100
635051004520
75531313450
oct1571557740
9536775403
10233234400
1110a722503
1266139740
1339422529
1422d93d60
1515721750
hexde6dfe0

233234400 has 144 divisors (see below), whose sum is σ = 867694464. Its totient is φ = 53306880.

The previous prime is 233234389. The next prime is 233234401. The reversal of 233234400 is 4432332.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233234401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9859 + ... + 23741.

It is an arithmetic number, because the mean of its divisors is an integer number (6025656).

Almost surely, 2233234400 is an apocalyptic number.

233234400 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 233234400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433847232).

233234400 is an abundant number, since it is smaller than the sum of its proper divisors (634460064).

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

233234400 is a wasteful number, since it uses less digits than its factorization.

233234400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13913 (or 13900 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 233234400 is about 15272.0136196901. The cubic root of 233234400 is about 615.5512276429.

Adding to 233234400 its reverse (4432332), we get a palindrome (237666732).

The spelling of 233234400 in words is "two hundred thirty-three million, two hundred thirty-four thousand, four hundred".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 42 48 50 56 60 70 75 80 84 96 100 105 112 120 140 150 160 168 175 200 210 224 240 280 300 336 350 400 420 480 525 560 600 672 700 800 840 1050 1120 1200 1400 1680 2100 2400 2800 3360 4200 5600 8400 13883 16800 27766 41649 55532 69415 83298 97181 111064 138830 166596 194362 208245 222128 277660 291543 333192 347075 388724 416490 444256 485905 555320 583086 666384 694150 777448 832980 971810 1041225 1110640 1166172 1332768 1388300 1457715 1554896 1665960 1943620 2082450 2221280 2332344 2429525 2776600 2915430 3109792 3331920 3887240 4164900 4664688 4859050 5553200 5830860 6663840 7288575 7774480 8329800 9329376 9718100 11106400 11661720 14577150 15548960 16659600 19436200 23323440 29154300 33319200 38872400 46646880 58308600 77744800 116617200 233234400