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13885523 = 195313789
BaseRepresentation
bin110100111110…
…000001010011
3222010110100122
4310332001103
512023314043
61213340455
7226011401
oct64760123
928113318
1013885523
117924443
12479772b
132b522b2
141bb6471
151344368
hexd3e053

13885523 has 8 divisors (see below), whose sum is σ = 14893200. Its totient is φ = 12905568.

The previous prime is 13885493. The next prime is 13885559. The reversal of 13885523 is 32558831.

13885523 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13885523 - 214 = 13869139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13885723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5888 + ... + 7901.

It is an arithmetic number, because the mean of its divisors is an integer number (1861650).

Almost surely, 213885523 is an apocalyptic number.

13885523 is a deficient number, since it is larger than the sum of its proper divisors (1007677).

13885523 is a wasteful number, since it uses less digits than its factorization.

13885523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13861.

The product of its digits is 28800, while the sum is 35.

The square root of 13885523 is about 3726.3283537552. The cubic root of 13885523 is about 240.3555090085.

The spelling of 13885523 in words is "thirteen million, eight hundred eighty-five thousand, five hundred twenty-three".

Divisors: 1 19 53 1007 13789 261991 730817 13885523