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13090648 = 231636331
BaseRepresentation
bin110001111011…
…111101011000
3220122001222211
4301323331120
511322400043
61144324504
7216161104
oct61737530
926561884
1013090648
11743121a
124473734
13293455c
141a4a904
151238a9d
hexc7bf58

13090648 has 8 divisors (see below), whose sum is σ = 24544980. Its totient is φ = 6545320.

The previous prime is 13090633. The next prime is 13090667. The reversal of 13090648 is 84609031.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×130906483 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 818158 + ... + 818173.

Almost surely, 213090648 is an apocalyptic number.

It is an amenable number.

13090648 is a deficient number, since it is larger than the sum of its proper divisors (11454332).

13090648 is a wasteful number, since it uses less digits than its factorization.

13090648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636337 (or 1636333 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 13090648 is about 3618.1000538957. The cubic root of 13090648 is about 235.6787259139.

Adding to 13090648 its reverse (84609031), we get a palindrome (97699679).

The spelling of 13090648 in words is "thirteen million, ninety thousand, six hundred forty-eight".

Divisors: 1 2 4 8 1636331 3272662 6545324 13090648