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13152330 = 2325317461
BaseRepresentation
bin110010001011…
…000001001010
3220202012121100
4302023001022
511331333310
61145522230
7216535662
oct62130112
926665540
1013152330
1174735a4
1244a3376
132956659
141a651a2
15124bec0
hexc8b04a

13152330 has 48 divisors (see below), whose sum is σ = 34378344. Its totient is φ = 3488640.

The previous prime is 13152329. The next prime is 13152397. The reversal of 13152330 is 3325131.

It can be written as a sum of positive squares in 4 ways, for example, as 6007401 + 7144929 = 2451^2 + 2673^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28300 + ... + 28760.

Almost surely, 213152330 is an apocalyptic number.

13152330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13152330 is an abundant number, since it is smaller than the sum of its proper divisors (21226014).

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

13152330 is a wasteful number, since it uses less digits than its factorization.

13152330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 13152330 is about 3626.6141233939. The cubic root of 13152330 is about 236.0483119517.

Adding to 13152330 its reverse (3325131), we get a palindrome (16477461).

The spelling of 13152330 in words is "thirteen million, one hundred fifty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 317 461 634 922 951 1383 1585 1902 2305 2766 2853 3170 4149 4610 4755 5706 6915 8298 9510 13830 14265 20745 28530 41490 146137 292274 438411 730685 876822 1315233 1461370 2192055 2630466 4384110 6576165 13152330