Search a number
-
+
13885838 = 2172914083
BaseRepresentation
bin110100111110…
…000110001110
3222010110210022
4310332012032
512023321323
61213342142
7226012331
oct64760616
928113708
1013885838
1179246aa
124797952
132b52495
141bb6618
1513444c8
hexd3e18e

13885838 has 16 divisors (see below), whose sum is σ = 22816080. Its totient is φ = 6308736.

The previous prime is 13885829. The next prime is 13885849. The reversal of 13885838 is 83858831.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6056 + ... + 8027.

It is an arithmetic number, because the mean of its divisors is an integer number (1426005).

Almost surely, 213885838 is an apocalyptic number.

13885838 is a deficient number, since it is larger than the sum of its proper divisors (8930242).

13885838 is a wasteful number, since it uses less digits than its factorization.

13885838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14131.

The product of its digits is 184320, while the sum is 44.

The square root of 13885838 is about 3726.3706203221. The cubic root of 13885838 is about 240.3573265229.

The spelling of 13885838 in words is "thirteen million, eight hundred eighty-five thousand, eight hundred thirty-eight".

Divisors: 1 2 17 29 34 58 493 986 14083 28166 239411 408407 478822 816814 6942919 13885838