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20432652 = 2231702721
BaseRepresentation
bin100110111110…
…0011100001100
31102110002022220
41031330130030
520212321102
62005535340
7335450262
oct115743414
942402286
1020432652
1110596399
126a14550
134305336
1429dc432
151bd91bc
hex137c70c

20432652 has 12 divisors (see below), whose sum is σ = 47676216. Its totient is φ = 6810880.

The previous prime is 20432609. The next prime is 20432663. The reversal of 20432652 is 25623402.

It is a tau number, because it is divible by the number of its divisors (12).

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, 851349 + ... + 851372.

It is an arithmetic number, because the mean of its divisors is an integer number (3973018).

Almost surely, 220432652 is an apocalyptic number.

It is an amenable number.

20432652 is an abundant number, since it is smaller than the sum of its proper divisors (27243564).

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

20432652 is a wasteful number, since it uses less digits than its factorization.

20432652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702728 (or 1702726 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 20432652 is about 4520.2491081798. The cubic root of 20432652 is about 273.3851451785.

The spelling of 20432652 in words is "twenty million, four hundred thirty-two thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 1702721 3405442 5108163 6810884 10216326 20432652