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13612445 = 572115051
BaseRepresentation
bin110011111011…
…010110011101
3221121120202122
4303323112131
511441044240
61203432325
7223463300
oct63732635
927546678
1013612445
117758260
1246856a5
132a87c02
141b44b37
1512dd4b5
hexcfb59d

13612445 has 24 divisors (see below), whose sum is σ = 20733408. Its totient is φ = 8484000.

The previous prime is 13612399. The next prime is 13612453. The reversal of 13612445 is 54421631.

It is not a de Polignac number, because 13612445 - 214 = 13596061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170 + ... + 5220.

It is an arithmetic number, because the mean of its divisors is an integer number (863892).

Almost surely, 213612445 is an apocalyptic number.

It is an amenable number.

13612445 is a deficient number, since it is larger than the sum of its proper divisors (7120963).

13612445 is a wasteful number, since it uses less digits than its factorization.

13612445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081 (or 5074 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 13612445 is about 3689.5047093072. The cubic root of 13612445 is about 238.7694245135.

The spelling of 13612445 in words is "thirteen million, six hundred twelve thousand, four hundred forty-five".

Divisors: 1 5 7 11 35 49 55 77 245 385 539 2695 5051 25255 35357 55561 176785 247499 277805 388927 1237495 1944635 2722489 13612445