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20048936 = 237931723
BaseRepresentation
bin100110001111…
…0110000101000
31101201120222012
41030132300220
520113031221
61553415052
7332261465
oct114366050
941646865
1020048936
1110354076
12686a488
1341cc79b
14293c66c
151b6065b
hex131ec28

20048936 has 16 divisors (see below), whose sum is σ = 38068800. Its totient is φ = 9897264.

The previous prime is 20048929. The next prime is 20048953. The reversal of 20048936 is 63984002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15230 + ... + 16493.

It is an arithmetic number, because the mean of its divisors is an integer number (2379300).

Almost surely, 220048936 is an apocalyptic number.

It is an amenable number.

20048936 is a deficient number, since it is larger than the sum of its proper divisors (18019864).

20048936 is a wasteful number, since it uses less digits than its factorization.

20048936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31808 (or 31804 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 20048936 is about 4477.6038234752. The cubic root of 20048936 is about 271.6629692414.

The spelling of 20048936 in words is "twenty million, forty-eight thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 79 158 316 632 31723 63446 126892 253784 2506117 5012234 10024468 20048936