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20268274 = 2132926881
BaseRepresentation
bin100110101010…
…0010011110010
31102010201211211
41031110103302
520142041044
62002230334
7334164115
oct115242362
942121754
1020268274
1110493944
1269553aa
134278580
14299857c
151ba5634
hex13544f2

20268274 has 16 divisors (see below), whose sum is σ = 33871320. Its totient is φ = 9031680.

The previous prime is 20268271. The next prime is 20268293. The reversal of 20268274 is 47286202.

It can be written as a sum of positive squares in 4 ways, for example, as 16752649 + 3515625 = 4093^2 + 1875^2 .

It is not an unprimeable number, because it can be changed into a prime (20268271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12687 + ... + 14194.

Almost surely, 220268274 is an apocalyptic number.

20268274 is a deficient number, since it is larger than the sum of its proper divisors (13603046).

20268274 is a wasteful number, since it uses less digits than its factorization.

20268274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26925.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 20268274 is about 4502.0299865727. The cubic root of 20268274 is about 272.6500545498.

The spelling of 20268274 in words is "twenty million, two hundred sixty-eight thousand, two hundred seventy-four".

Divisors: 1 2 13 26 29 58 377 754 26881 53762 349453 698906 779549 1559098 10134137 20268274