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13282425 = 32521319239
BaseRepresentation
bin110010101010…
…110001111001
3220222211001200
4302222301321
511400014200
61152404413
7220620162
oct62526171
926884050
1013282425
117552312
124546709
1329a0930
141a9a769
151275800
hexcaac79

13282425 has 72 divisors (see below), whose sum is σ = 27081600. Its totient is φ = 6168960.

The previous prime is 13282417. The next prime is 13282439. The reversal of 13282425 is 52428231.

It is not a de Polignac number, because 13282425 - 23 = 13282417 is a prime.

It is a Curzon 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 71 ways as a sum of consecutive naturals, for example, 55456 + ... + 55694.

Almost surely, 213282425 is an apocalyptic number.

13282425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13282425 is an abundant number, since it is smaller than the sum of its proper divisors (13799175).

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

13282425 is a wasteful number, since it uses less digits than its factorization.

13282425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 279 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 13282425 is about 3644.5061393829. The cubic root of 13282425 is about 236.8240428720.

The spelling of 13282425 in words is "thirteen million, two hundred eighty-two thousand, four hundred twenty-five".

Divisors: 1 3 5 9 13 15 19 25 39 45 57 65 75 95 117 171 195 225 239 247 285 325 475 585 717 741 855 975 1195 1235 1425 2151 2223 2925 3107 3585 3705 4275 4541 5975 6175 9321 10755 11115 13623 15535 17925 18525 22705 27963 40869 46605 53775 55575 59033 68115 77675 113525 139815 177099 204345 233025 295165 340575 531297 699075 885495 1021725 1475825 2656485 4427475 13282425