Search a number
-
+
13290960 = 243579701
BaseRepresentation
bin110010101100…
…110111010000
3221000020202210
4302230313100
511400302320
61152512120
7220654104
oct62546720
927006683
1013290960
117558771
12454b640
1329a4797
141a9d904
1512780e0
hexcacdd0

13290960 has 80 divisors (see below), whose sum is σ = 41783040. Its totient is φ = 3494400.

The previous prime is 13290917. The next prime is 13290973. The reversal of 13290960 is 6909231.

13290960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 18610 + ... + 19310.

It is an arithmetic number, because the mean of its divisors is an integer number (522288).

Almost surely, 213290960 is an apocalyptic number.

13290960 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 13290960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20891520).

13290960 is an abundant number, since it is smaller than the sum of its proper divisors (28492080).

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

13290960 is a wasteful number, since it uses less digits than its factorization.

13290960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 13290960 is about 3645.6768918817. The cubic root of 13290960 is about 236.8747580192.

The spelling of 13290960 in words is "thirteen million, two hundred ninety thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 79 80 120 158 237 240 316 395 474 632 701 790 948 1185 1264 1402 1580 1896 2103 2370 2804 3160 3505 3792 4206 4740 5608 6320 7010 8412 9480 10515 11216 14020 16824 18960 21030 28040 33648 42060 55379 56080 84120 110758 166137 168240 221516 276895 332274 443032 553790 664548 830685 886064 1107580 1329096 1661370 2215160 2658192 3322740 4430320 6645480 13290960