Search a number
-
+
109149160 = 23517315773
BaseRepresentation
bin1101000000101…
…11101111101000
321121101100111111
412200113233220
5210420233120
614455240104
72463516061
oct640275750
9247340444
10109149160
115668041a
1230679034
13197c8003
14106d3568
1598b075a
hex6817be8

109149160 has 32 divisors (see below), whose sum is σ = 247020840. Its totient is φ = 43404544.

The previous prime is 109149143. The next prime is 109149193. The reversal of 109149160 is 61941901.

It can be written as a sum of positive squares in 4 ways, for example, as 105637284 + 3511876 = 10278^2 + 1874^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967 + ... + 14806.

Almost surely, 2109149160 is an apocalyptic number.

109149160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109149160 is an abundant number, since it is smaller than the sum of its proper divisors (137871680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109149160 is a wasteful number, since it uses less digits than its factorization.

109149160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15957 (or 15953 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 109149160 is about 10447.4475351638. The cubic root of 109149160 is about 477.9034135478.

The spelling of 109149160 in words is "one hundred nine million, one hundred forty-nine thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 173 346 692 865 1384 1730 3460 6920 15773 31546 63092 78865 126184 157730 315460 630920 2728729 5457458 10914916 13643645 21829832 27287290 54574580 109149160