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51150232 = 237913397
BaseRepresentation
bin1100001100011…
…1110110011000
310120020200221001
43003013312120
5101043301412
65024154344
71160525020
oct303076630
9116220831
1051150232
1126966a21
12151689b4
13a79bb13
146b16a80
154755957
hex30c7d98

51150232 has 16 divisors (see below), whose sum is σ = 109607760. Its totient is φ = 21921504.

The previous prime is 51150181. The next prime is 51150233. The reversal of 51150232 is 23205115.

51150232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51150233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456643 + ... + 456754.

It is an arithmetic number, because the mean of its divisors is an integer number (6850485).

Almost surely, 251150232 is an apocalyptic number.

It is an amenable number.

51150232 is an abundant number, since it is smaller than the sum of its proper divisors (58457528).

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

51150232 is a wasteful number, since it uses less digits than its factorization.

51150232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913410 (or 913406 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 51150232 is about 7151.9390377715. The cubic root of 51150232 is about 371.2067538345.

Adding to 51150232 its reverse (23205115), we get a palindrome (74355347).

The spelling of 51150232 in words is "fifty-one million, one hundred fifty thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 913397 1826794 3653588 6393779 7307176 12787558 25575116 51150232