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2256653205 = 325397126317
BaseRepresentation
bin1000011010000001…
…1100101110010101
312211021021212020100
42012200130232111
514110200400310
61011531524313
7106631143602
oct20640345625
95737255210
102256653205
11a58904a54
1252b8b9699
1329c6a9171
141759c76a9
15d31acec0
hex8681cb95

2256653205 has 24 divisors (see below), whose sum is σ = 3921415992. Its totient is φ = 1200507264.

The previous prime is 2256653167. The next prime is 2256653213. The reversal of 2256653205 is 5023566522.

2256653205 is a `hidden beast` number, since 22 + 566 + 53 + 20 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 61355889 + 2195297316 = 7833^2 + 46854^2 .

It is not a de Polignac number, because 2256653205 - 28 = 2256652949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2256653205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45294 + ... + 81023.

It is an arithmetic number, because the mean of its divisors is an integer number (163392333).

Almost surely, 22256653205 is an apocalyptic number.

It is an amenable number.

2256653205 is a deficient number, since it is larger than the sum of its proper divisors (1664762787).

2256653205 is a wasteful number, since it uses less digits than its factorization.

2256653205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126725 (or 126722 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 2256653205 is about 47504.2440735562. The cubic root of 2256653205 is about 1311.6610061143.

The spelling of 2256653205 in words is "two billion, two hundred fifty-six million, six hundred fifty-three thousand, two hundred five".

Divisors: 1 3 5 9 15 45 397 1191 1985 3573 5955 17865 126317 378951 631585 1136853 1894755 5684265 50147849 150443547 250739245 451330641 752217735 2256653205