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19124994 = 23739293
BaseRepresentation
bin100100011110…
…1001100000010
31022222122120010
41020331030002
514343444434
61521525350
7321363000
oct110751402
938878503
1019124994
11a882989
1264a3856
133c68085
14277ba70
151a2b9e9
hex123d302

19124994 has 32 divisors (see below), whose sum is σ = 44611200. Its totient is φ = 5463696.

The previous prime is 19124971. The next prime is 19125011. The reversal of 19124994 is 49942191.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2589 + ... + 6704.

It is an arithmetic number, because the mean of its divisors is an integer number (1394100).

Almost surely, 219124994 is an apocalyptic number.

19124994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19124994 is an abundant number, since it is smaller than the sum of its proper divisors (25486206).

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

19124994 is an equidigital number, since it uses as much as digits as its factorization.

19124994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9319 (or 9305 counting only the distinct ones).

The product of its digits is 23328, while the sum is 39.

The square root of 19124994 is about 4373.2132351396. The cubic root of 19124994 is about 267.4240340961.

The spelling of 19124994 in words is "nineteen million, one hundred twenty-four thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 343 686 1029 2058 9293 18586 27879 55758 65051 130102 195153 390306 455357 910714 1366071 2732142 3187499 6374998 9562497 19124994