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56976493 = 743918541
BaseRepresentation
bin1101100101011…
…0010001101101
310222012201001111
43121112101231
5104041221433
65353112021
71261202140
oct331262155
9128181044
1056976493
112a186312
12170b8611
13ba5ba02
1477d2057
155006dcd
hex365646d

56976493 has 8 divisors (see below), whose sum is σ = 65267840. Its totient is φ = 48723120.

The previous prime is 56976473. The next prime is 56976523. The reversal of 56976493 is 39467965.

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 56976493 - 25 = 56976461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56976433) 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, 6198 + ... + 12343.

It is an arithmetic number, because the mean of its divisors is an integer number (8158480).

Almost surely, 256976493 is an apocalyptic number.

It is an amenable number.

56976493 is a deficient number, since it is larger than the sum of its proper divisors (8291347).

56976493 is a wasteful number, since it uses less digits than its factorization.

56976493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18987.

The product of its digits is 1224720, while the sum is 49.

The square root of 56976493 is about 7548.2774856254. The cubic root of 56976493 is about 384.7972013410.

The spelling of 56976493 in words is "fifty-six million, nine hundred seventy-six thousand, four hundred ninety-three".

Divisors: 1 7 439 3073 18541 129787 8139499 56976493