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51314512 = 243207157
BaseRepresentation
bin1100001110111…
…1111101010000
310120120001021111
43003233331100
5101114031022
65031503104
71162110664
oct303577520
9116501244
1051314512
1126a69397
1215227a94
13a828822
146b5a8a4
154789477
hex30eff50

51314512 has 10 divisors (see below), whose sum is σ = 99421898. Its totient is φ = 25657248.

The previous prime is 51314507. The next prime is 51314513. The reversal of 51314512 is 21541315.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47004736 + 4309776 = 6856^2 + 2076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51314513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603563 + ... + 1603594.

Almost surely, 251314512 is an apocalyptic number.

It is an amenable number.

51314512 is a deficient number, since it is larger than the sum of its proper divisors (48107386).

51314512 is a wasteful number, since it uses less digits than its factorization.

51314512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207165 (or 3207159 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 51314512 is about 7163.4148281389. The cubic root of 51314512 is about 371.6037326550.

Adding to 51314512 its reverse (21541315), we get a palindrome (72855827).

The spelling of 51314512 in words is "fifty-one million, three hundred fourteen thousand, five hundred twelve".

Divisors: 1 2 4 8 16 3207157 6414314 12828628 25657256 51314512