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13052390 = 2513100403
BaseRepresentation
bin110001110010…
…100111100110
3220120010111212
4301302213212
511320134030
61143431422
7215641421
oct61624746
926503455
1013052390
1174054aa
124455572
132920010
141a3a9b8
15122c595
hexc729e6

13052390 has 16 divisors (see below), whose sum is σ = 25301808. Its totient is φ = 4819296.

The previous prime is 13052387. The next prime is 13052419. The reversal of 13052390 is 9325031.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50072 + ... + 50331.

It is an arithmetic number, because the mean of its divisors is an integer number (1581363).

Almost surely, 213052390 is an apocalyptic number.

13052390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13052390 is a deficient number, since it is larger than the sum of its proper divisors (12249418).

13052390 is a wasteful number, since it uses less digits than its factorization.

13052390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100423.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 13052390 is about 3612.8091563214. The cubic root of 13052390 is about 235.4489080371.

The spelling of 13052390 in words is "thirteen million, fifty-two thousand, three hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 100403 200806 502015 1004030 1305239 2610478 6526195 13052390