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56205035 = 5371492039
BaseRepresentation
bin1101011001100…
…1111011101011
310220202111210222
43112121323223
5103342030120
65324400255
71251510035
oct326317353
9126674728
1056205035
11297a9747
12169a608b
13b84b823
147670c55
154e03525
hex3599eeb

56205035 has 16 divisors (see below), whose sum is σ = 69768000. Its totient is φ = 43433856.

The previous prime is 56204969. The next prime is 56205041. The reversal of 56205035 is 53050265.

It is not a de Polignac number, because 56205035 - 28 = 56204779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56204995 and 56205013.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26546 + ... + 28584.

It is an arithmetic number, because the mean of its divisors is an integer number (4360500).

Almost surely, 256205035 is an apocalyptic number.

56205035 is a deficient number, since it is larger than the sum of its proper divisors (13562965).

56205035 is a wasteful number, since it uses less digits than its factorization.

56205035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 56205035 is about 7497.0017340267. The cubic root of 56205035 is about 383.0525938586.

Subtracting from 56205035 its sum of digits (26), we obtain a square (56205009 = 74972).

The spelling of 56205035 in words is "fifty-six million, two hundred five thousand, thirty-five".

Divisors: 1 5 37 149 185 745 2039 5513 10195 27565 75443 303811 377215 1519055 11241007 56205035