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56213671 = 101673827
BaseRepresentation
bin1101011001110…
…0000010100111
310220202221122211
43112130002213
5103342314141
65324504251
71251544153
oct326340247
9126687584
1056213671
1129805188
12169ab087
13b852737
147674063
154e05d81
hex359c0a7

56213671 has 8 divisors (see below), whose sum is σ = 56923344. Its totient is φ = 55507200.

The previous prime is 56213669. The next prime is 56213681. The reversal of 56213671 is 17631265.

56213671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56213671 - 21 = 56213669 is a prime.

It is a super-3 number, since 3×562136713 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56213621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67560 + ... + 68386.

It is an arithmetic number, because the mean of its divisors is an integer number (7115418).

Almost surely, 256213671 is an apocalyptic number.

56213671 is a deficient number, since it is larger than the sum of its proper divisors (709673).

56213671 is a wasteful number, since it uses less digits than its factorization.

56213671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601.

The product of its digits is 7560, while the sum is 31.

The square root of 56213671 is about 7497.5776754896. The cubic root of 56213671 is about 383.0722117498.

The spelling of 56213671 in words is "fifty-six million, two hundred thirteen thousand, six hundred seventy-one".

Divisors: 1 101 673 827 67973 83527 556571 56213671