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13855345 = 572331699
BaseRepresentation
bin110100110110…
…101001110001
3222001220221221
4310312221301
512021332340
61212545041
7225524410
oct64665161
928056857
1013855345
1179037a9
124782181
132b4163a
141ba9477
15133a44a
hexd36a71

13855345 has 16 divisors (see below), whose sum is σ = 19094400. Its totient is φ = 9454464.

The previous prime is 13855339. The next prime is 13855379. The reversal of 13855345 is 54355831.

It is a cyclic number.

It is not a de Polignac number, because 13855345 - 23 = 13855337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13855345.

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 15 ways as a sum of consecutive naturals, for example, 7306 + ... + 9004.

It is an arithmetic number, because the mean of its divisors is an integer number (1193400).

Almost surely, 213855345 is an apocalyptic number.

It is an amenable number.

13855345 is a deficient number, since it is larger than the sum of its proper divisors (5239055).

13855345 is a wasteful number, since it uses less digits than its factorization.

13855345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944.

The product of its digits is 36000, while the sum is 34.

The square root of 13855345 is about 3722.2768569788. The cubic root of 13855345 is about 240.1812577482.

The spelling of 13855345 in words is "thirteen million, eight hundred fifty-five thousand, three hundred forty-five".

Divisors: 1 5 7 35 233 1165 1631 1699 8155 8495 11893 59465 395867 1979335 2771069 13855345