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56849387 = 719427439
BaseRepresentation
bin1101100011011…
…1001111101011
310221222020200212
43120313033223
5104023140022
65350251335
71260132440
oct330671753
9127866625
1056849387
112a0a9871
1217056b4b
13ba15bba
14779b9c7
154ece3e2
hex36373eb

56849387 has 8 divisors (see below), whose sum is σ = 68390400. Its totient is φ = 46163304.

The previous prime is 56849341. The next prime is 56849389. The reversal of 56849387 is 78394865.

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 56849387 - 216 = 56783851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56849389) 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, 213587 + ... + 213852.

It is an arithmetic number, because the mean of its divisors is an integer number (8548800).

Almost surely, 256849387 is an apocalyptic number.

56849387 is a deficient number, since it is larger than the sum of its proper divisors (11541013).

56849387 is a wasteful number, since it uses less digits than its factorization.

56849387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427465.

The product of its digits is 1451520, while the sum is 50.

The square root of 56849387 is about 7539.8532479087. The cubic root of 56849387 is about 384.5108467062.

The spelling of 56849387 in words is "fifty-six million, eight hundred forty-nine thousand, three hundred eighty-seven".

Divisors: 1 7 19 133 427439 2992073 8121341 56849387