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13256270 = 251325627
BaseRepresentation
bin110010100100…
…011001001110
3220221111011222
4302210121032
511343200040
61152043342
7220451006
oct62443116
926844158
1013256270
1175346a5
124533552
132991a61
141a91006
15126cbb5
hexca464e

13256270 has 8 divisors (see below), whose sum is σ = 23861304. Its totient is φ = 5302504.

The previous prime is 13256239. The next prime is 13256333. The reversal of 13256270 is 7265231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662804 + ... + 662823.

It is an arithmetic number, because the mean of its divisors is an integer number (2982663).

Almost surely, 213256270 is an apocalyptic number.

13256270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13256270 is a deficient number, since it is larger than the sum of its proper divisors (10605034).

13256270 is a wasteful number, since it uses less digits than its factorization.

13256270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325634.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 13256270 is about 3640.9160935127. The cubic root of 13256270 is about 236.6684938914.

The spelling of 13256270 in words is "thirteen million, two hundred fifty-six thousand, two hundred seventy".

Divisors: 1 2 5 10 1325627 2651254 6628135 13256270