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13782465 = 3251631879
BaseRepresentation
bin110100100100…
…110111000001
3221221012222200
4310210313001
512012014330
61211223413
7225102054
oct64446701
927835880
1013782465
117863a74
124747b69
132b17408
141b8aa9b
151323a60
hexd24dc1

13782465 has 24 divisors (see below), whose sum is σ = 24048960. Its totient is φ = 7301664.

The previous prime is 13782409. The next prime is 13782481. The reversal of 13782465 is 56428731.

It is not a de Polignac number, because 13782465 - 29 = 13781953 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 (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6396 + ... + 8274.

It is an arithmetic number, because the mean of its divisors is an integer number (1002040).

Almost surely, 213782465 is an apocalyptic number.

13782465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13782465 is a deficient number, since it is larger than the sum of its proper divisors (10266495).

13782465 is a wasteful number, since it uses less digits than its factorization.

13782465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053 (or 2050 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 13782465 is about 3712.4742423349. The cubic root of 13782465 is about 239.7593942843.

The spelling of 13782465 in words is "thirteen million, seven hundred eighty-two thousand, four hundred sixty-five".

Divisors: 1 3 5 9 15 45 163 489 815 1467 1879 2445 5637 7335 9395 16911 28185 84555 306277 918831 1531385 2756493 4594155 13782465