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13792380 = 2235732839
BaseRepresentation
bin110100100111…
…010001111100
3221221201120220
4310213101330
512012324010
61211341340
7225143010
oct64472174
927851526
1013792380
117870468
124751850
132b1ba94
141b90540
151326970
hexd2747c

13792380 has 48 divisors (see below), whose sum is σ = 44136960. Its totient is φ = 3152448.

The previous prime is 13792369. The next prime is 13792393. The reversal of 13792380 is 8329731.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 16000 + ... + 16839.

It is an arithmetic number, because the mean of its divisors is an integer number (919520).

Almost surely, 213792380 is an apocalyptic number.

13792380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13792380 is an abundant number, since it is smaller than the sum of its proper divisors (30344580).

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

13792380 is a wasteful number, since it uses less digits than its factorization.

13792380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32858 (or 32856 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 13792380 is about 3713.8093650590. The cubic root of 13792380 is about 239.8168741950.

The spelling of 13792380 in words is "thirteen million, seven hundred ninety-two thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 32839 65678 98517 131356 164195 197034 229873 328390 394068 459746 492585 656780 689619 919492 985170 1149365 1379238 1970340 2298730 2758476 3448095 4597460 6896190 13792380