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51112115 = 517601319
BaseRepresentation
bin1100001011111…
…0100010110011
310120011202122022
43002332202303
5101041041430
65023302055
71160305625
oct302764263
9116152568
1051112115
112694031a
121514a92b
13a787672
146b06c15
1547494e5
hex30be8b3

51112115 has 8 divisors (see below), whose sum is σ = 64942560. Its totient is φ = 38484352.

The previous prime is 51112091. The next prime is 51112151. The reversal of 51112115 is 51121115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51112115 - 212 = 51108019 is a prime.

It is a super-2 number, since 2×511121152 = 5224896599546450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 51112093 and 51112102.

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, 300575 + ... + 300744.

It is an arithmetic number, because the mean of its divisors is an integer number (8117820).

Almost surely, 251112115 is an apocalyptic number.

51112115 is a deficient number, since it is larger than the sum of its proper divisors (13830445).

51112115 is a wasteful number, since it uses less digits than its factorization.

51112115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601341.

The product of its digits is 50, while the sum is 17.

The square root of 51112115 is about 7149.2737393388. The cubic root of 51112115 is about 371.1145235329.

The spelling of 51112115 in words is "fifty-one million, one hundred twelve thousand, one hundred fifteen".

Divisors: 1 5 17 85 601319 3006595 10222423 51112115