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20481676 = 225120419
BaseRepresentation
bin100111000100…
…0011010001100
31102112120120121
41032020122030
520220403201
62010554324
7336043225
oct116103214
942476517
1020481676
111061a206
126a389a4
134321747
142a1224c
151be89a1
hex138868c

20481676 has 6 divisors (see below), whose sum is σ = 35842940. Its totient is φ = 10240836.

The previous prime is 20481667. The next prime is 20481679. The reversal of 20481676 is 67618402.

It is not an unprimeable number, because it can be changed into a prime (20481679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560206 + ... + 2560213.

Almost surely, 220481676 is an apocalyptic number.

It is an amenable number.

20481676 is a deficient number, since it is larger than the sum of its proper divisors (15361264).

20481676 is a wasteful number, since it uses less digits than its factorization.

20481676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120423 (or 5120421 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 20481676 is about 4525.6685693939. The cubic root of 20481676 is about 273.6036145972.

The spelling of 20481676 in words is "twenty million, four hundred eighty-one thousand, six hundred seventy-six".

Divisors: 1 2 4 5120419 10240838 20481676