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13570080 = 2535171663
BaseRepresentation
bin110011110001…
…000000100000
3221112102122120
4303301000200
511433220310
61202504240
7223225626
oct63610040
927472576
1013570080
117729447
124665080
132a71844
141b33516
1512d0b70
hexcf1020

13570080 has 96 divisors (see below), whose sum is σ = 45287424. Its totient is φ = 3403776.

The previous prime is 13570049. The next prime is 13570087. The reversal of 13570080 is 8007531.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13570080.

It is not an unprimeable number, because it can be changed into a prime (13570087) 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, 7329 + ... + 8991.

It is an arithmetic number, because the mean of its divisors is an integer number (471744).

Almost surely, 213570080 is an apocalyptic number.

13570080 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 13570080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22643712).

13570080 is an abundant number, since it is smaller than the sum of its proper divisors (31717344).

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

13570080 is a wasteful number, since it uses less digits than its factorization.

13570080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 13570080 is about 3683.7589497686. The cubic root of 13570080 is about 238.5214656611.

The spelling of 13570080 in words is "thirteen million, five hundred seventy thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 68 80 85 96 102 120 136 160 170 204 240 255 272 340 408 480 510 544 680 816 1020 1360 1632 1663 2040 2720 3326 4080 4989 6652 8160 8315 9978 13304 16630 19956 24945 26608 28271 33260 39912 49890 53216 56542 66520 79824 84813 99780 113084 133040 141355 159648 169626 199560 226168 266080 282710 339252 399120 424065 452336 565420 678504 798240 848130 904672 1130840 1357008 1696260 2261680 2714016 3392520 4523360 6785040 13570080