Search a number
-
+
149615248 = 2468313691
BaseRepresentation
bin10001110101011…
…11001010010000
3101102112020112111
420322233022100
5301300141443
622502435104
73464465026
oct1072571220
9342466474
10149615248
11774aa172
1242132a94
1324cc5a43
1415c28716
15d20569d
hex8eaf290

149615248 has 20 divisors (see below), whose sum is σ = 290325168. Its totient is φ = 74692640.

The previous prime is 149615243. The next prime is 149615251. The reversal of 149615248 is 842516941.

It is a self number, because there is not a number n which added to its sum of digits gives 149615248.

It is not an unprimeable number, because it can be changed into a prime (149615243) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4083 + ... + 17773.

Almost surely, 2149615248 is an apocalyptic number.

It is an amenable number.

149615248 is a deficient number, since it is larger than the sum of its proper divisors (140709920).

149615248 is a wasteful number, since it uses less digits than its factorization.

149615248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14382 (or 14376 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 149615248 is about 12231.7311939071. The cubic root of 149615248 is about 530.8746067180.

The spelling of 149615248 in words is "one hundred forty-nine million, six hundred fifteen thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 683 1366 2732 5464 10928 13691 27382 54764 109528 219056 9350953 18701906 37403812 74807624 149615248