Search a number
-
+
234128550 = 23524336299
BaseRepresentation
bin11011111010010…
…00010010100110
3121022112221222210
431331020102212
5434414103200
635122104250
75542026345
oct1575102246
9538487883
10234128550
11110183277
12664ab086
1339676506
1423147b5c
151584b650
hexdf484a6

234128550 has 48 divisors (see below), whose sum is σ = 594158400. Its totient is φ = 60980640.

The previous prime is 234128549. The next prime is 234128551. The reversal of 234128550 is 55821432.

234128550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (234128549) and next prime (234128551).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234128551) 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, 11700 + ... + 24599.

It is an arithmetic number, because the mean of its divisors is an integer number (12378300).

Almost surely, 2234128550 is an apocalyptic number.

234128550 is an abundant number, since it is smaller than the sum of its proper divisors (360029850).

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

234128550 is a wasteful number, since it uses less digits than its factorization.

234128550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36357 (or 36352 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 234128550 is about 15301.2597520596. The cubic root of 234128550 is about 616.3368368484.

Adding to 234128550 its reverse (55821432), we get a palindrome (289949982).

The spelling of 234128550 in words is "two hundred thirty-four million, one hundred twenty-eight thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 43 50 75 86 129 150 215 258 430 645 1075 1290 2150 3225 6450 36299 72598 108897 181495 217794 362990 544485 907475 1088970 1560857 1814950 2722425 3121714 4682571 5444850 7804285 9365142 15608570 23412855 39021425 46825710 78042850 117064275 234128550