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20492552 = 2313991831
BaseRepresentation
bin100111000101…
…1000100001000
31102120010111102
41032023010020
520221230202
62011120532
7336120023
oct116130410
942503442
1020492552
11106273a3
126a43148
134326692
142a161ba
151bebd02
hex138b108

20492552 has 16 divisors (see below), whose sum is σ = 38472000. Its totient is φ = 10233360.

The previous prime is 20492551. The next prime is 20492567. The reversal of 20492552 is 25529402.

It is not an unprimeable number, because it can be changed into a prime (20492551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10277 + ... + 12107.

It is an arithmetic number, because the mean of its divisors is an integer number (2404500).

Almost surely, 220492552 is an apocalyptic number.

It is an amenable number.

20492552 is a deficient number, since it is larger than the sum of its proper divisors (17979448).

20492552 is a wasteful number, since it uses less digits than its factorization.

20492552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236 (or 3232 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 20492552 is about 4526.8700003424. The cubic root of 20492552 is about 273.6520348918.

The spelling of 20492552 in words is "twenty million, four hundred ninety-two thousand, five hundred fifty-two".

Divisors: 1 2 4 8 1399 1831 2798 3662 5596 7324 11192 14648 2561569 5123138 10246276 20492552