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13851701 = 112912269
BaseRepresentation
bin110100110101…
…110000110101
3222001201221222
4310311300311
512021223301
61212520125
7225510653
oct64656065
928051858
1013851701
117900a96
124780045
132b3ca96
141ba7dd3
15133931b
hexd35c35

13851701 has 4 divisors (see below), whose sum is σ = 13865100. Its totient is φ = 13838304.

The previous prime is 13851689. The next prime is 13851707. The reversal of 13851701 is 10715831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7344100 + 6507601 = 2710^2 + 2551^2 .

It is a cyclic number.

It is not a de Polignac number, because 13851701 - 218 = 13589557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13851707) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5006 + ... + 7263.

It is an arithmetic number, because the mean of its divisors is an integer number (3466275).

Almost surely, 213851701 is an apocalyptic number.

It is an amenable number.

13851701 is a deficient number, since it is larger than the sum of its proper divisors (13399).

13851701 is a wasteful number, since it uses less digits than its factorization.

13851701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13398.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 13851701 is about 3721.7873394379. The cubic root of 13851701 is about 240.1601997560.

The spelling of 13851701 in words is "thirteen million, eight hundred fifty-one thousand, seven hundred one".

Divisors: 1 1129 12269 13851701