Search a number
-
+
13495988 = 2211306727
BaseRepresentation
bin110011011110…
…111010110100
3221101200000102
4303132322310
511423332423
61201133232
7222466622
oct63367264
927350012
1013495988
117688810
12462a218
132a46bbc
141b14512
1512b8c28
hexcdeeb4

13495988 has 12 divisors (see below), whose sum is σ = 25765152. Its totient is φ = 6134520.

The previous prime is 13495969. The next prime is 13496033. The reversal of 13495988 is 88959431.

It is a super-2 number, since 2×134959882 = 364283384192288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153320 + ... + 153407.

It is an arithmetic number, because the mean of its divisors is an integer number (2147096).

Almost surely, 213495988 is an apocalyptic number.

It is an amenable number.

13495988 is a deficient number, since it is larger than the sum of its proper divisors (12269164).

13495988 is a wasteful number, since it uses less digits than its factorization.

13495988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306742 (or 306740 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The square root of 13495988 is about 3673.6886095585. The cubic root of 13495988 is about 238.0865678544.

It can be divided in two parts, 1349 and 5988, that added together give a palindrome (7337).

The spelling of 13495988 in words is "thirteen million, four hundred ninety-five thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 22 44 306727 613454 1226908 3373997 6747994 13495988