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51107412 = 2234258951
BaseRepresentation
bin1100001011110…
…1011001010100
310120011112012010
43002331121110
5101040414122
65023224220
71160256126
oct302753124
9116145163
1051107412
1126937834
1215148070
13a785495
146b05216
154747e0c
hex30bd654

51107412 has 12 divisors (see below), whose sum is σ = 119250656. Its totient is φ = 17035800.

The previous prime is 51107387. The next prime is 51107429. The reversal of 51107412 is 21470115.

It is a happy number.

51107412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×511074122 = 5223935122675488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2129464 + ... + 2129487.

Almost surely, 251107412 is an apocalyptic number.

It is an amenable number.

51107412 is an abundant number, since it is smaller than the sum of its proper divisors (68143244).

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

51107412 is a wasteful number, since it uses less digits than its factorization.

51107412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258958 (or 4258956 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 51107412 is about 7148.9448172440. The cubic root of 51107412 is about 371.1031406795.

Adding to 51107412 its reverse (21470115), we get a palindrome (72577527).

The spelling of 51107412 in words is "fifty-one million, one hundred seven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 4258951 8517902 12776853 17035804 25553706 51107412