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19925092 = 22113712239
BaseRepresentation
bin100110000000…
…0100001100100
31101111022002101
41030000201210
520100100332
61551021444
7331234435
oct114004144
941438071
1019925092
111027a020
12680a884
1341882c5
14290948c
151b38ae7
hex1300864

19925092 has 24 divisors (see below), whose sum is σ = 39070080. Its totient is φ = 8811360.

The previous prime is 19925089. The next prime is 19925093. The reversal of 19925092 is 29052991.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (19925093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4492 + ... + 7747.

It is an arithmetic number, because the mean of its divisors is an integer number (1627920).

Almost surely, 219925092 is an apocalyptic number.

It is an amenable number.

19925092 is a deficient number, since it is larger than the sum of its proper divisors (19144988).

19925092 is a wasteful number, since it uses less digits than its factorization.

19925092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12291 (or 12289 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 19925092 is about 4463.7531293744. The cubic root of 19925092 is about 271.1024516977.

The spelling of 19925092 in words is "nineteen million, nine hundred twenty-five thousand, ninety-two".

Divisors: 1 2 4 11 22 37 44 74 148 407 814 1628 12239 24478 48956 134629 269258 452843 538516 905686 1811372 4981273 9962546 19925092