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13704540 = 2235228409
BaseRepresentation
bin110100010001…
…110101011100
3221210021002120
4310101311130
512002021130
61205422540
7224325633
oct64216534
927707076
1013704540
117810473
12470aa50
132abaac5
141b6a51a
15130a910
hexd11d5c

13704540 has 24 divisors (see below), whose sum is σ = 38372880. Its totient is φ = 3654528.

The previous prime is 13704497. The next prime is 13704553. The reversal of 13704540 is 4540731.

13704540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×137045402 = 375628833223200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13704540.

It is a congruent number.

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, 114145 + ... + 114264.

It is an arithmetic number, because the mean of its divisors is an integer number (1598870).

Almost surely, 213704540 is an apocalyptic number.

13704540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13704540 is an abundant number, since it is smaller than the sum of its proper divisors (24668340).

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

13704540 is a wasteful number, since it uses less digits than its factorization.

13704540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228421 (or 228419 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 13704540 is about 3701.9643434263. The cubic root of 13704540 is about 239.3066795960.

The spelling of 13704540 in words is "thirteen million, seven hundred four thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 228409 456818 685227 913636 1142045 1370454 2284090 2740908 3426135 4568180 6852270 13704540