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56286072 = 23324716633
BaseRepresentation
bin1101011010110…
…1101101111000
310220220121222100
43112231231320
5103402123242
65330223400
71252265223
oct326555570
9126817870
1056286072
1129854617
1216a24b60
13b87968b
1476925ba
154e1c54c
hex35adb78

56286072 has 48 divisors (see below), whose sum is σ = 155694240. Its totient is φ = 18361728.

The previous prime is 56286067. The next prime is 56286079. The reversal of 56286072 is 27068265.

It is a super-3 number, since 3×562860723 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56286079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4933 + ... + 11700.

It is an arithmetic number, because the mean of its divisors is an integer number (3243630).

Almost surely, 256286072 is an apocalyptic number.

It is an amenable number.

56286072 is an abundant number, since it is smaller than the sum of its proper divisors (99408168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56286072 is a wasteful number, since it uses less digits than its factorization.

56286072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16692 (or 16685 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 56286072 is about 7502.4044145860. The cubic root of 56286072 is about 383.2366018475.

The spelling of 56286072 in words is "fifty-six million, two hundred eighty-six thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 47 72 94 141 188 282 376 423 564 846 1128 1692 3384 16633 33266 49899 66532 99798 133064 149697 199596 299394 399192 598788 781751 1197576 1563502 2345253 3127004 4690506 6254008 7035759 9381012 14071518 18762024 28143036 56286072