Search a number
-
+
149175656 = 23710924439
BaseRepresentation
bin10001110010000…
…11110101101000
3101101200220112022
420321003311220
5301142110111
622445204012
73460654310
oct1071036550
9341626468
10149175656
1177229973
1241b60608
1324ba0926
1415b52440
15d16a2db
hex8e43d68

149175656 has 32 divisors (see below), whose sum is σ = 322608000. Its totient is φ = 63343296.

The previous prime is 149175641. The next prime is 149175667. The reversal of 149175656 is 656571941.

149175656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 6116 + ... + 18323.

It is an arithmetic number, because the mean of its divisors is an integer number (10081500).

Almost surely, 2149175656 is an apocalyptic number.

It is an amenable number.

149175656 is an abundant number, since it is smaller than the sum of its proper divisors (173432344).

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

149175656 is a wasteful number, since it uses less digits than its factorization.

149175656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24561 (or 24557 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The square root of 149175656 is about 12213.7486465049. The cubic root of 149175656 is about 530.3541669813.

The spelling of 149175656 in words is "one hundred forty-nine million, one hundred seventy-five thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 56 109 218 436 763 872 1526 3052 6104 24439 48878 97756 171073 195512 342146 684292 1368584 2663851 5327702 10655404 18646957 21310808 37293914 74587828 149175656