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20486676 = 2237243889
BaseRepresentation
bin100111000100…
…1101000010100
31102112211102210
41032021220110
520221033201
62011033420
7336063630
oct116115024
942484383
1020486676
1110622a41
126a3b870
134323ac2
142a13dc0
151bea1d6
hex1389a14

20486676 has 24 divisors (see below), whose sum is σ = 54631360. Its totient is φ = 5853312.

The previous prime is 20486663. The next prime is 20486681. The reversal of 20486676 is 67668402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121861 + ... + 122028.

Almost surely, 220486676 is an apocalyptic number.

It is an amenable number.

20486676 is an abundant number, since it is smaller than the sum of its proper divisors (34144684).

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

20486676 is a wasteful number, since it uses less digits than its factorization.

20486676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243903 (or 243901 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 20486676 is about 4526.2209402547. The cubic root of 20486676 is about 273.6258768829.

The spelling of 20486676 in words is "twenty million, four hundred eighty-six thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 243889 487778 731667 975556 1463334 1707223 2926668 3414446 5121669 6828892 10243338 20486676