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20476086 = 23109131239
BaseRepresentation
bin100111000011…
…1000010110110
31102112021220120
41032013002312
520220213321
62010512410
7336021021
oct116070266
942467816
1020476086
1110615a94
126a35706
13431c037
142a101b8
151be6ec6
hex13870b6

20476086 has 32 divisors (see below), whose sum is σ = 41817600. Its totient is φ = 6683040.

The previous prime is 20476051. The next prime is 20476139. The reversal of 20476086 is 68067402.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85555 + ... + 85793.

It is an arithmetic number, because the mean of its divisors is an integer number (1306800).

Almost surely, 220476086 is an apocalyptic number.

20476086 is an abundant number, since it is smaller than the sum of its proper divisors (21341514).

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

20476086 is a wasteful number, since it uses less digits than its factorization.

20476086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 20476086 is about 4525.0509389398. The cubic root of 20476086 is about 273.5787210717.

The spelling of 20476086 in words is "twenty million, four hundred seventy-six thousand, eighty-six".

Divisors: 1 2 3 6 109 131 218 239 262 327 393 478 654 717 786 1434 14279 26051 28558 31309 42837 52102 62618 78153 85674 93927 156306 187854 3412681 6825362 10238043 20476086