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13232079 = 3672593
BaseRepresentation
bin110010011110…
…011111001111
3220220021000000
4302132133033
511341411304
61151335343
7220320330
oct62363717
926807000
1013232079
117518503
124521553
132983a43
141a86287
151265939
hexc9e7cf

13232079 has 28 divisors (see below), whose sum is σ = 22681936. Its totient is φ = 7558272.

The previous prime is 13232041. The next prime is 13232099. The reversal of 13232079 is 97023231.

It is not a de Polignac number, because 13232079 - 27 = 13231951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

13232079 is a modest number, since divided by 2079 gives 1323 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232029) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3807 + ... + 6399.

Almost surely, 213232079 is an apocalyptic number.

13232079 is a deficient number, since it is larger than the sum of its proper divisors (9449857).

13232079 is an frugal number, since it uses more digits than its factorization.

13232079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618 (or 2603 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 13232079 is about 3637.5924730514. The cubic root of 13232079 is about 236.5244429710.

The spelling of 13232079 in words is "thirteen million, two hundred thirty-two thousand, seventy-nine".

Divisors: 1 3 7 9 21 27 63 81 189 243 567 729 1701 2593 5103 7779 18151 23337 54453 70011 163359 210033 490077 630099 1470231 1890297 4410693 13232079