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51830232 = 2334152673
BaseRepresentation
bin1100010110110…
…1110111011000
310121112020201020
43011231313120
5101232031412
65050522440
71166356356
oct305556730
9117466636
1051830232
1127290903
1215436420
13a97949c
146c527d6
15483c18c
hex316ddd8

51830232 has 32 divisors (see below), whose sum is σ = 132738480. Its totient is φ = 16855040.

The previous prime is 51830231. The next prime is 51830239. The reversal of 51830232 is 23203815.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51830231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25353 + ... + 27320.

Almost surely, 251830232 is an apocalyptic number.

It is an amenable number.

51830232 is an abundant number, since it is smaller than the sum of its proper divisors (80908248).

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

51830232 is a wasteful number, since it uses less digits than its factorization.

51830232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52723 (or 52719 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 51830232 is about 7199.3216347098. The cubic root of 51830232 is about 372.8444799169.

The spelling of 51830232 in words is "fifty-one million, eight hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 41 82 123 164 246 328 492 984 52673 105346 158019 210692 316038 421384 632076 1264152 2159593 4319186 6478779 8638372 12957558 17276744 25915116 51830232