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13090140 = 2233573463
BaseRepresentation
bin110001111011…
…110101011100
3220122001022000
4301323311130
511322341030
61144322300
7216156450
oct61736534
926561260
1013090140
1174308a8
124473390
13293425b
141a4a660
151238860
hexc7bd5c

13090140 has 96 divisors (see below), whose sum is σ = 46556160. Its totient is φ = 2991168.

The previous prime is 13090127. The next prime is 13090157. The reversal of 13090140 is 4109031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2049 + ... + 5511.

It is an arithmetic number, because the mean of its divisors is an integer number (484960).

Almost surely, 213090140 is an apocalyptic number.

13090140 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 13090140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23278080).

13090140 is an abundant number, since it is smaller than the sum of its proper divisors (33466020).

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

13090140 is a wasteful number, since it uses less digits than its factorization.

13090140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488 (or 3480 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 13090140 is about 3618.0298506231. The cubic root of 13090140 is about 235.6756772657.

Adding to 13090140 its reverse (4109031), we get a palindrome (17199171).

The spelling of 13090140 in words is "thirteen million, ninety thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 180 189 210 252 270 315 378 420 540 630 756 945 1260 1890 3463 3780 6926 10389 13852 17315 20778 24241 31167 34630 41556 48482 51945 62334 69260 72723 93501 96964 103890 121205 124668 145446 155835 187002 207780 218169 242410 290892 311670 363615 374004 436338 467505 484820 623340 654507 727230 872676 935010 1090845 1309014 1454460 1870020 2181690 2618028 3272535 4363380 6545070 13090140