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51132316 = 2283233661
BaseRepresentation
bin1100001100001…
…1011110011100
310120012210100111
43003003132130
5101042213231
65023535404
71160421544
oct303033634
9116183314
1051132316
1126954514
121515a564
13a793911
146b10324
1547504b1
hex30c379c

51132316 has 24 divisors (see below), whose sum is σ = 91085904. Its totient is φ = 25111680.

The previous prime is 51132293. The next prime is 51132317. The reversal of 51132316 is 61323115.

It is a happy number.

51132316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×511323162 = 5229027479047712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51132317) 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 7 ways as a sum of consecutive naturals, for example, 77026 + ... + 77686.

It is an arithmetic number, because the mean of its divisors is an integer number (3795246).

Almost surely, 251132316 is an apocalyptic number.

It is an amenable number.

51132316 is a deficient number, since it is larger than the sum of its proper divisors (39953588).

51132316 is a wasteful number, since it uses less digits than its factorization.

51132316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 979 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 51132316 is about 7150.6864006192. The cubic root of 51132316 is about 371.1634088578.

The spelling of 51132316 in words is "fifty-one million, one hundred thirty-two thousand, three hundred sixteen".

Divisors: 1 2 4 83 166 233 332 466 661 932 1322 2644 19339 38678 54863 77356 109726 154013 219452 308026 616052 12783079 25566158 51132316