Search a number
-
+
13885305 = 357132241
BaseRepresentation
bin110100111101…
…111101111001
3222010110001120
4310331331321
512023312210
61213335453
7226010640
oct64757571
928113046
1013885305
117924265
124797589
132b52175
141bb6357
151344270
hexd3df79

13885305 has 16 divisors (see below), whose sum is σ = 25390464. Its totient is φ = 6347520.

The previous prime is 13885301. The next prime is 13885309. The reversal of 13885305 is 50358831.

It is an interprime number because it is at equal distance from previous prime (13885301) and next prime (13885309).

It is not a de Polignac number, because 13885305 - 22 = 13885301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13885301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66016 + ... + 66225.

It is an arithmetic number, because the mean of its divisors is an integer number (1586904).

Almost surely, 213885305 is an apocalyptic number.

13885305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13885305 is a deficient number, since it is larger than the sum of its proper divisors (11505159).

13885305 is a wasteful number, since it uses less digits than its factorization.

13885305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132256.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 13885305 is about 3726.2991023266. The cubic root of 13885305 is about 240.3542511571.

The spelling of 13885305 in words is "thirteen million, eight hundred eighty-five thousand, three hundred five".

Divisors: 1 3 5 7 15 21 35 105 132241 396723 661205 925687 1983615 2777061 4628435 13885305