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56055270 = 2356013109
BaseRepresentation
bin1101010111010…
…1010111100110
310220110220101010
43111311113212
5103322232040
65321243050
71250314305
oct325652746
9126426333
1056055270
1129707177
1216933486
13b7c85cb
14763243c
154dc3e80
hex35755e6

56055270 has 32 divisors (see below), whose sum is σ = 134799840. Its totient is φ = 14918400.

The previous prime is 56055269. The next prime is 56055271. The reversal of 56055270 is 7255065.

It is an interprime number because it is at equal distance from previous prime (56055269) and next prime (56055271).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56055271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16476 + ... + 19584.

It is an arithmetic number, because the mean of its divisors is an integer number (4212495).

Almost surely, 256055270 is an apocalyptic number.

56055270 is an abundant number, since it is smaller than the sum of its proper divisors (78744570).

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

56055270 is a wasteful number, since it uses less digits than its factorization.

56055270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 56055270 is about 7487.0067450217. The cubic root of 56055270 is about 382.7120614859.

The spelling of 56055270 in words is "fifty-six million, fifty-five thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 601 1202 1803 3005 3109 3606 6010 6218 9015 9327 15545 18030 18654 31090 46635 93270 1868509 3737018 5605527 9342545 11211054 18685090 28027635 56055270