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20007392 = 25625231
BaseRepresentation
bin100110001010…
…0100111100000
31101122110222112
41030110213200
520110214032
61552454452
7332026406
oct114244740
941573875
1020007392
1110325939
12684a428
1341b68c2
14292b476
151b531b2
hex13149e0

20007392 has 12 divisors (see below), whose sum is σ = 39389616. Its totient is φ = 10003680.

The previous prime is 20007373. The next prime is 20007409. The reversal of 20007392 is 29370002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312584 + ... + 312647.

It is an arithmetic number, because the mean of its divisors is an integer number (3282468).

Almost surely, 220007392 is an apocalyptic number.

It is an amenable number.

20007392 is a deficient number, since it is larger than the sum of its proper divisors (19382224).

20007392 is an equidigital number, since it uses as much as digits as its factorization.

20007392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625241 (or 625233 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 20007392 is about 4472.9623293741. The cubic root of 20007392 is about 271.4751991654.

Adding to 20007392 its reverse (29370002), we get a palindrome (49377394).

The spelling of 20007392 in words is "twenty million, seven thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 32 625231 1250462 2500924 5001848 10003696 20007392