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13902736 = 241779647
BaseRepresentation
bin110101000010…
…001110010000
3222011022222011
4311002032100
512024341421
61213552304
7226112521
oct65021620
928138864
1013902736
117936371
1247a5694
132b5a093
141bbc848
1513494e1
hexd42390

13902736 has 40 divisors (see below), whose sum is σ = 28926720. Its totient is φ = 6449664.

The previous prime is 13902689. The next prime is 13902761. The reversal of 13902736 is 63720931.

It is a junction number, because it is equal to n+sod(n) for n = 13902698 and 13902707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21165 + ... + 21811.

It is an arithmetic number, because the mean of its divisors is an integer number (723168).

Almost surely, 213902736 is an apocalyptic number.

13902736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13902736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14463360).

13902736 is an abundant number, since it is smaller than the sum of its proper divisors (15023984).

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

13902736 is a wasteful number, since it uses less digits than its factorization.

13902736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 13902736 is about 3728.6372845853. The cubic root of 13902736 is about 240.4547858116.

The spelling of 13902736 in words is "thirteen million, nine hundred two thousand, seven hundred thirty-six".

Divisors: 1 2 4 8 16 17 34 68 79 136 158 272 316 632 647 1264 1294 1343 2588 2686 5176 5372 10352 10744 10999 21488 21998 43996 51113 87992 102226 175984 204452 408904 817808 868921 1737842 3475684 6951368 13902736