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13140570 = 235647677
BaseRepresentation
bin110010001000…
…001001011010
3220201121110210
4302020021122
511330444240
61145351550
7216456462
oct62101132
926647423
1013140570
117465783
1244985b6
1329511b1
141a60ba2
151248780
hexc8825a

13140570 has 32 divisors (see below), whose sum is σ = 31632768. Its totient is φ = 3493568.

The previous prime is 13140557. The next prime is 13140577. The reversal of 13140570 is 7504131.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13140577) 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, 19072 + ... + 19748.

It is an arithmetic number, because the mean of its divisors is an integer number (988524).

Almost surely, 213140570 is an apocalyptic number.

13140570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13140570 is an abundant number, since it is smaller than the sum of its proper divisors (18492198).

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

13140570 is a wasteful number, since it uses less digits than its factorization.

13140570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 13140570 is about 3624.9924137852. The cubic root of 13140570 is about 235.9779377059.

The spelling of 13140570 in words is "thirteen million, one hundred forty thousand, five hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 647 677 1294 1354 1941 2031 3235 3385 3882 4062 6470 6770 9705 10155 19410 20310 438019 876038 1314057 2190095 2628114 4380190 6570285 13140570