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20470588 = 2212134219
BaseRepresentation
bin100111000010…
…1101100111100
31102112000100221
41032011230330
520220024323
62010431124
7335666005
oct116055474
942460327
1020470588
1110611946
126a324a4
134319698
142a0c1ac
151be555d
hex1385b3c

20470588 has 12 divisors (see below), whose sum is σ = 35861560. Its totient is φ = 10224432.

The previous prime is 20470573. The next prime is 20470627. The reversal of 20470588 is 88507402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2743 + ... + 6961.

Almost surely, 220470588 is an apocalyptic number.

It is an amenable number.

20470588 is a deficient number, since it is larger than the sum of its proper divisors (15390972).

20470588 is a wasteful number, since it uses less digits than its factorization.

20470588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436 (or 5434 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 20470588 is about 4524.4433911808. The cubic root of 20470588 is about 273.5542328232.

The spelling of 20470588 in words is "twenty million, four hundred seventy thousand, five hundred eighty-eight".

Divisors: 1 2 4 1213 2426 4219 4852 8438 16876 5117647 10235294 20470588