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56920673 = 514711059
BaseRepresentation
bin1101100100100…
…0101001100001
310222002212111002
43121020221201
5104032430143
65352001345
71260550325
oct331105141
9128085432
1056920673
112a148387
1217090255
13ba3c494
1477b9985
154ee55b8
hex3648a61

56920673 has 4 divisors (see below), whose sum is σ = 56936880. Its totient is φ = 56904468.

The previous prime is 56920631. The next prime is 56920687. The reversal of 56920673 is 37602965.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37602965 = 57520593.

It is a cyclic number.

It is not a de Polignac number, because 56920673 - 26 = 56920609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56920603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (14234220).

Almost surely, 256920673 is an apocalyptic number.

It is an amenable number.

56920673 is a deficient number, since it is larger than the sum of its proper divisors (16207).

56920673 is a wasteful number, since it uses less digits than its factorization.

56920673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16206.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 56920673 is about 7544.5790472365. The cubic root of 56920673 is about 384.6714980499.

The spelling of 56920673 in words is "fifty-six million, nine hundred twenty thousand, six hundred seventy-three".

Divisors: 1 5147 11059 56920673