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13850893 = 72931271
BaseRepresentation
bin110100110101…
…100100001101
3222001200212001
4310311210031
512021212033
61212512301
7225505420
oct64654415
928050761
1013850893
117900421
12477b691
132b3c5c4
141ba79b7
151338e7d
hexd3590d

13850893 has 24 divisors (see below), whose sum is σ = 17159040. Its totient is φ = 10936800.

The previous prime is 13850887. The next prime is 13850911. The reversal of 13850893 is 39805831.

13850893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13850893 - 29 = 13850381 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 (13850093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195048 + ... + 195118.

It is an arithmetic number, because the mean of its divisors is an integer number (714960).

Almost surely, 213850893 is an apocalyptic number.

It is an amenable number.

13850893 is a deficient number, since it is larger than the sum of its proper divisors (3308147).

13850893 is an equidigital number, since it uses as much as digits as its factorization.

13850893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 13850893 is about 3721.6787878590. The cubic root of 13850893 is about 240.1555299754.

It can be divided in two parts, 138508 and 93, that added together give a triangular number (138601 = T526).

The spelling of 13850893 in words is "thirteen million, eight hundred fifty thousand, eight hundred ninety-three".

Divisors: 1 7 29 31 71 203 217 497 899 961 2059 2201 6293 6727 14413 15407 27869 63829 68231 195083 446803 477617 1978699 13850893