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20968192 = 28711701
BaseRepresentation
bin100111111111…
…1001100000000
31110110021221201
41033333030000
520331440232
62025230544
7343140520
oct117771400
943407851
1020968192
1110921793
127032454
13446201b
142adb680
151c92be7
hex13ff300

20968192 has 36 divisors (see below), whose sum is σ = 47837776. Its totient is φ = 8985600.

The previous prime is 20968177. The next prime is 20968223. The reversal of 20968192 is 29186902.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4059 + ... + 7642.

Almost surely, 220968192 is an apocalyptic number.

It is an amenable number.

20968192 is an abundant number, since it is smaller than the sum of its proper divisors (26869584).

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

20968192 is an equidigital number, since it uses as much as digits as its factorization.

20968192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11724 (or 11710 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 20968192 is about 4579.1038424565. The cubic root of 20968192 is about 275.7530522342.

The spelling of 20968192 in words is "twenty million, nine hundred sixty-eight thousand, one hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 11701 23402 46804 81907 93608 163814 187216 327628 374432 655256 748864 1310512 1497728 2621024 2995456 5242048 10484096 20968192