Search a number
-
+
13949156 = 2213268253
BaseRepresentation
bin110101001101…
…100011100100
3222020200122102
4311031203210
512032333111
61214551232
7226365044
oct65154344
928220572
1013949156
117968231
124808518
132b75250
141bd1724
15135813b
hexd4d8e4

13949156 has 12 divisors (see below), whose sum is σ = 26288892. Its totient is φ = 6438048.

The previous prime is 13949153. The next prime is 13949161. The reversal of 13949156 is 65194931.

13949156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2280100 + 11669056 = 1510^2 + 3416^2 .

It is a super-2 number, since 2×139491562 = 389157906224672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13949153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134075 + ... + 134178.

It is an arithmetic number, because the mean of its divisors is an integer number (2190741).

Almost surely, 213949156 is an apocalyptic number.

It is an amenable number.

13949156 is a deficient number, since it is larger than the sum of its proper divisors (12339736).

13949156 is a wasteful number, since it uses less digits than its factorization.

13949156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268270 (or 268268 counting only the distinct ones).

The product of its digits is 29160, while the sum is 38.

The square root of 13949156 is about 3734.8568915020. The cubic root of 13949156 is about 240.7221075645.

The spelling of 13949156 in words is "thirteen million, nine hundred forty-nine thousand, one hundred fifty-six".

Divisors: 1 2 4 13 26 52 268253 536506 1073012 3487289 6974578 13949156