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13887653 = 132346447
BaseRepresentation
bin110100111110…
…100010100101
3222010120021112
4310332202211
512023401103
61213354405
7226020533
oct64764245
928116245
1013887653
117925aaa
124798a05
132b53260
141bb7153
151344cd8
hexd3e8a5

13887653 has 8 divisors (see below), whose sum is σ = 15606528. Its totient is φ = 12261744.

The previous prime is 13887641. The next prime is 13887677. The reversal of 13887653 is 35678831.

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 13887653 - 210 = 13886629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13887653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13887683) 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 7 ways as a sum of consecutive naturals, for example, 22925 + ... + 23522.

It is an arithmetic number, because the mean of its divisors is an integer number (1950816).

Almost surely, 213887653 is an apocalyptic number.

13887653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13887653 is a deficient number, since it is larger than the sum of its proper divisors (1718875).

13887653 is a wasteful number, since it uses less digits than its factorization.

13887653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46483.

The product of its digits is 120960, while the sum is 41.

The square root of 13887653 is about 3726.6141469167. The cubic root of 13887653 is about 240.3677983322.

The spelling of 13887653 in words is "thirteen million, eight hundred eighty-seven thousand, six hundred fifty-three".

Divisors: 1 13 23 299 46447 603811 1068281 13887653