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13613080 = 2351347557
BaseRepresentation
bin110011111011…
…100000011000
3221121121122011
4303323200120
511441104310
61203435304
7223465165
oct63734030
927547564
1013613080
117758788
124685b34
132a882a0
141b4506c
1512dd78a
hexcfb818

13613080 has 64 divisors (see below), whose sum is σ = 33747840. Its totient is φ = 4910592.

The previous prime is 13613071. The next prime is 13613081. The reversal of 13613080 is 8031631.

13613080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13613081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24162 + ... + 24718.

It is an arithmetic number, because the mean of its divisors is an integer number (527310).

Almost surely, 213613080 is an apocalyptic number.

13613080 is a gapful number since it is divisible by the number (10) 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 13613080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16873920).

13613080 is an abundant number, since it is smaller than the sum of its proper divisors (20134760).

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

13613080 is a wasteful number, since it uses less digits than its factorization.

13613080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13613080 is about 3689.5907632148. The cubic root of 13613080 is about 238.7731372002.

The spelling of 13613080 in words is "thirteen million, six hundred thirteen thousand, eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 47 52 65 94 104 130 188 235 260 376 470 520 557 611 940 1114 1222 1880 2228 2444 2785 3055 4456 4888 5570 6110 7241 11140 12220 14482 22280 24440 26179 28964 36205 52358 57928 72410 104716 130895 144820 209432 261790 289640 340327 523580 680654 1047160 1361308 1701635 2722616 3403270 6806540 13613080