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20675652 = 2239411831
BaseRepresentation
bin100111011011…
…1110001000100
31102220102122220
41032313301010
520243110102
62015052340
7340511604
oct116676104
942812586
1020675652
1110741a18
126b110b0
13438bb1a
142a62c04
151c361bc
hex13b7c44

20675652 has 24 divisors (see below), whose sum is σ = 48320832. Its totient is φ = 6880800.

The previous prime is 20675639. The next prime is 20675653. The reversal of 20675652 is 25657602.

It is not an unprimeable number, because it can be changed into a prime (20675653) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10377 + ... + 12207.

It is an arithmetic number, because the mean of its divisors is an integer number (2013368).

Almost surely, 220675652 is an apocalyptic number.

It is an amenable number.

20675652 is an abundant number, since it is smaller than the sum of its proper divisors (27645180).

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

20675652 is a wasteful number, since it uses less digits than its factorization.

20675652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 20675652 is about 4547.0487131765. The cubic root of 20675652 is about 274.4646422121.

The spelling of 20675652 in words is "twenty million, six hundred seventy-five thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 941 1831 1882 2823 3662 3764 5493 5646 7324 10986 11292 21972 1722971 3445942 5168913 6891884 10337826 20675652