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56942503 = 1723145633
BaseRepresentation
bin1101100100110…
…1111110100111
310222010222102121
43121031332213
5104034130003
65352250411
71261001062
oct331157647
9128128377
1056942503
112a162822
12170a0a07
13ba493b7
1477c38d9
154eebcbd
hex364dfa7

56942503 has 8 divisors (see below), whose sum is σ = 62913888. Its totient is φ = 51262464.

The previous prime is 56942477. The next prime is 56942533. The reversal of 56942503 is 30524965.

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 56942503 - 25 = 56942471 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 (56942533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72426 + ... + 73207.

It is an arithmetic number, because the mean of its divisors is an integer number (7864236).

Almost surely, 256942503 is an apocalyptic number.

56942503 is a deficient number, since it is larger than the sum of its proper divisors (5971385).

56942503 is a wasteful number, since it uses less digits than its factorization.

56942503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145673.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 56942503 is about 7546.0256426811. The cubic root of 56942503 is about 384.7206676812.

The spelling of 56942503 in words is "fifty-six million, nine hundred forty-two thousand, five hundred three".

Divisors: 1 17 23 391 145633 2475761 3349559 56942503