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13030560 = 253259049
BaseRepresentation
bin110001101101…
…010010100000
3220112000120100
4301231102200
511313434220
61143142400
7215520654
oct61552240
926460510
1013030560
1173a0064
124444a00
1329130ba
141a32a64
151225d90
hexc6d4a0

13030560 has 72 divisors (see below), whose sum is σ = 44471700. Its totient is φ = 3474432.

The previous prime is 13030553. The next prime is 13030583. The reversal of 13030560 is 6503031.

It can be written as a sum of positive squares in 2 ways, for example, as 12873744 + 156816 = 3588^2 + 396^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3085 + ... + 5964.

Almost surely, 213030560 is an apocalyptic number.

13030560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13030560 is an abundant number, since it is smaller than the sum of its proper divisors (31441140).

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

13030560 is a wasteful number, since it uses less digits than its factorization.

13030560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9070 (or 9059 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 13030560 is about 3609.7866972994. The cubic root of 13030560 is about 235.3175727599.

Adding to 13030560 its reverse (6503031), we get a palindrome (19533591).

The spelling of 13030560 in words is "thirteen million, thirty thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 9049 18098 27147 36196 45245 54294 72392 81441 90490 108588 135735 144784 162882 180980 217176 271470 289568 325764 361960 407205 434352 542940 651528 723920 814410 868704 1085880 1303056 1447840 1628820 2171760 2606112 3257640 4343520 6515280 13030560