Search a number
-
+
13104280 = 2357172753
BaseRepresentation
bin110001111111…
…010010011000
3220122202200201
4301333102120
511323314110
61144511544
7216245620
oct61772230
926582621
1013104280
117440492
12447b5b4
13293a817
141a51880
15123cb3a
hexc7f498

13104280 has 64 divisors (see below), whose sum is σ = 35691840. Its totient is φ = 4227072.

The previous prime is 13104277. The next prime is 13104347. The reversal of 13104280 is 8240131.

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, 3384 + ... + 6136.

It is an arithmetic number, because the mean of its divisors is an integer number (557685).

Almost surely, 213104280 is an apocalyptic number.

13104280 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 13104280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17845920).

13104280 is an abundant number, since it is smaller than the sum of its proper divisors (22587560).

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

13104280 is a wasteful number, since it uses less digits than its factorization.

13104280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788 (or 2784 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 13104280 is about 3619.9834253764. The cubic root of 13104280 is about 235.7605058692.

The spelling of 13104280 in words is "thirteen million, one hundred four thousand, two hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 68 70 85 119 136 140 170 238 280 340 476 595 680 952 1190 2380 2753 4760 5506 11012 13765 19271 22024 27530 38542 46801 55060 77084 93602 96355 110120 154168 187204 192710 234005 327607 374408 385420 468010 655214 770840 936020 1310428 1638035 1872040 2620856 3276070 6552140 13104280