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13303425 = 352177379
BaseRepresentation
bin110010101111…
…111010000001
3221000212212110
4302233322001
511401202200
61153045533
7221035332
oct62577201
927025773
1013303425
117567073
1245568a9
1329aa365
141aa4289
15127bb50
hexcafe81

13303425 has 12 divisors (see below), whose sum is σ = 21995120. Its totient is φ = 7095120.

The previous prime is 13303403. The next prime is 13303471. The reversal of 13303425 is 52430331.

It is not a de Polignac number, because 13303425 - 211 = 13301377 is a prime.

It is a super-2 number, since 2×133034252 = 353962233461250, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 88615 + ... + 88764.

Almost surely, 213303425 is an apocalyptic number.

13303425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13303425 is a deficient number, since it is larger than the sum of its proper divisors (8691695).

13303425 is a wasteful number, since it uses less digits than its factorization.

13303425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177392 (or 177387 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 13303425 is about 3647.3860503106. The cubic root of 13303425 is about 236.9487863133.

Adding to 13303425 its reverse (52430331), we get a palindrome (65733756).

The spelling of 13303425 in words is "thirteen million, three hundred three thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 177379 532137 886895 2660685 4434475 13303425