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20012368 = 241250773
BaseRepresentation
bin100110001010…
…1110101010000
31101122201210211
41030111311100
520110343433
61552533504
7332050045
oct114256520
941581724
1020012368
1110329652
126851294
1341b8c4c
14292d1cc
151b548cd
hex1315d50

20012368 has 10 divisors (see below), whose sum is σ = 38773994. Its totient is φ = 10006176.

The previous prime is 20012347. The next prime is 20012371. The reversal of 20012368 is 86321002.

It can be written as a sum of positive squares in only one way, i.e., 13601344 + 6411024 = 3688^2 + 2532^2 .

It is a congruent number.

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, 625371 + ... + 625402.

Almost surely, 220012368 is an apocalyptic number.

It is an amenable number.

20012368 is a deficient number, since it is larger than the sum of its proper divisors (18761626).

20012368 is a wasteful number, since it uses less digits than its factorization.

20012368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250781 (or 1250775 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 20012368 is about 4473.5185257245. The cubic root of 20012368 is about 271.4977033248.

The spelling of 20012368 in words is "twenty million, twelve thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 1250773 2501546 5003092 10006184 20012368