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56515341 = 361308827
BaseRepresentation
bin1101011110010…
…1101100001101
310221100021110210
43113211230031
5103431442331
65335153033
71254241521
oct327455415
9127307423
1056515341
11299a08a3
1216b15779
13b929b3c
147711d81
154e65446
hex35e5b0d

56515341 has 8 divisors (see below), whose sum is σ = 76589344. Its totient is φ = 37059120.

The previous prime is 56515339. The next prime is 56515357. The reversal of 56515341 is 14351565.

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

It is not a de Polignac number, because 56515341 - 21 = 56515339 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56515299 and 56515308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56515141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154231 + ... + 154596.

It is an arithmetic number, because the mean of its divisors is an integer number (9573668).

Almost surely, 256515341 is an apocalyptic number.

It is an amenable number.

56515341 is a deficient number, since it is larger than the sum of its proper divisors (20074003).

56515341 is a wasteful number, since it uses less digits than its factorization.

56515341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308891.

The product of its digits is 9000, while the sum is 30.

The square root of 56515341 is about 7517.6685880664. The cubic root of 56515341 is about 383.7562404245.

The spelling of 56515341 in words is "fifty-six million, five hundred fifteen thousand, three hundred forty-one".

Divisors: 1 3 61 183 308827 926481 18838447 56515341