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51110148 = 2234619239
BaseRepresentation
bin1100001011111…
…0000100000100
310120011122221110
43002332010010
5101041011043
65023245020
71160300115
oct302760404
9116148843
1051110148
11269398a1
1215149770
13a7867bb
146b0620c
154748b33
hex30be104

51110148 has 24 divisors (see below), whose sum is σ = 119528640. Its totient is φ = 16997920.

The previous prime is 51110123. The next prime is 51110167. The reversal of 51110148 is 84101115.

It is a happy number.

It is a super-2 number, since 2×511101482 = 5224494457163808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913 + ... + 10151.

It is an arithmetic number, because the mean of its divisors is an integer number (4980360).

Almost surely, 251110148 is an apocalyptic number.

It is an amenable number.

51110148 is an abundant number, since it is smaller than the sum of its proper divisors (68418492).

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

51110148 is a wasteful number, since it uses less digits than its factorization.

51110148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9707 (or 9705 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 51110148 is about 7149.1361715944. The cubic root of 51110148 is about 371.1097628115.

The spelling of 51110148 in words is "fifty-one million, one hundred ten thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 461 922 1383 1844 2766 5532 9239 18478 27717 36956 55434 110868 4259179 8518358 12777537 17036716 25555074 51110148