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20246944 = 25632717
BaseRepresentation
bin100110100111…
…1000110100000
31102002122120211
41031033012200
520140400234
62001543504
7334044664
oct115170640
942078524
1020246944
1110479913
126944b94
13426b953
1429908a4
151b9e164
hex134f1a0

20246944 has 12 divisors (see below), whose sum is σ = 39861234. Its totient is φ = 10123456.

The previous prime is 20246929. The next prime is 20246953. The reversal of 20246944 is 44964202.

It can be written as a sum of positive squares in only one way, i.e., 18835600 + 1411344 = 4340^2 + 1188^2 .

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 as a sum of consecutive naturals, namely, 316327 + ... + 316390.

Almost surely, 220246944 is an apocalyptic number.

It is an amenable number.

20246944 is a deficient number, since it is larger than the sum of its proper divisors (19614290).

20246944 is an equidigital number, since it uses as much as digits as its factorization.

20246944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632727 (or 632719 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 20246944 is about 4499.6604316326. The cubic root of 20246944 is about 272.5543768263.

The spelling of 20246944 in words is "twenty million, two hundred forty-six thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 632717 1265434 2530868 5061736 10123472 20246944