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13150580 = 225657529
BaseRepresentation
bin110010001010…
…100101110100
3220202010012112
4302022211310
511331304310
61145510152
7216530612
oct62124564
926663175
1013150580
117472253
1244a2358
132955911
141a646b2
15124b705
hexc8a974

13150580 has 12 divisors (see below), whose sum is σ = 27616260. Its totient is φ = 5260224.

The previous prime is 13150573. The next prime is 13150583. The reversal of 13150580 is 8505131.

It can be written as a sum of positive squares in 2 ways, for example, as 4553956 + 8596624 = 2134^2 + 2932^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13150583) by changing a digit.

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, 328745 + ... + 328784.

It is an arithmetic number, because the mean of its divisors is an integer number (2301355).

Almost surely, 213150580 is an apocalyptic number.

13150580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13150580 is an abundant number, since it is smaller than the sum of its proper divisors (14465680).

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

13150580 is a wasteful number, since it uses less digits than its factorization.

13150580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657538 (or 657536 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 13150580 is about 3626.3728434898. The cubic root of 13150580 is about 236.0378422512.

The spelling of 13150580 in words is "thirteen million, one hundred fifty thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 657529 1315058 2630116 3287645 6575290 13150580