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51141156 = 22311387433
BaseRepresentation
bin1100001100010…
…1101000100100
310120020020110220
43003011220210
5101043004111
65024044340
71160456403
oct303055044
9116206426
1051141156
1126960120
12151636b0
13a797951
146b1363a
154752e06
hex30c5a24

51141156 has 24 divisors (see below), whose sum is σ = 130177824. Its totient is φ = 15497280.

The previous prime is 51141149. The next prime is 51141163. The reversal of 51141156 is 65114115.

It is an interprime number because it is at equal distance from previous prime (51141149) and next prime (51141163).

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, 193585 + ... + 193848.

It is an arithmetic number, because the mean of its divisors is an integer number (5424076).

Almost surely, 251141156 is an apocalyptic number.

It is an amenable number.

51141156 is an abundant number, since it is smaller than the sum of its proper divisors (79036668).

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

51141156 is a wasteful number, since it uses less digits than its factorization.

51141156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387451 (or 387449 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

The square root of 51141156 is about 7151.3044963839. The cubic root of 51141156 is about 371.1847971287.

The spelling of 51141156 in words is "fifty-one million, one hundred forty-one thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 387433 774866 1162299 1549732 2324598 4261763 4649196 8523526 12785289 17047052 25570578 51141156