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56067788 = 2272922381
BaseRepresentation
bin1101010111100…
…0011011001100
310220111112112202
43111320123030
5103323132123
65321421032
71250365640
oct325703314
9126445482
1056067788
1129715617
121693a778
13b80120a
147636c20
154dc7a28
hex35786cc

56067788 has 36 divisors (see below), whose sum is σ = 116184432. Its totient is φ = 23190720.

The previous prime is 56067779. The next prime is 56067793. The reversal of 56067788 is 88776065.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22358 + ... + 24738.

Almost surely, 256067788 is an apocalyptic number.

56067788 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56067788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58092216).

56067788 is an abundant number, since it is smaller than the sum of its proper divisors (60116644).

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

56067788 is a wasteful number, since it uses less digits than its factorization.

56067788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 56067788 is about 7487.8426799713. The cubic root of 56067788 is about 382.7405478531.

The spelling of 56067788 in words is "fifty-six million, sixty-seven thousand, seven hundred eighty-eight".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 841 1682 2381 3364 4762 5887 9524 11774 16667 23548 33334 66668 69049 138098 276196 483343 966686 1933372 2002421 4004842 8009684 14016947 28033894 56067788