Search a number
-
+
149289512 = 23171097717
BaseRepresentation
bin10001110010111…
…11101000101000
3101101220200201012
420321133220220
5301204231022
622451443052
73461640251
oct1071375050
9341820635
10149289512
11772a7469
1241bb6488
1324c106b8
1415b81b28
15d18dde2
hex8e5fa28

149289512 has 16 divisors (see below), whose sum is σ = 296383860. Its totient is φ = 70253824.

The previous prime is 149289473. The next prime is 149289523. The reversal of 149289512 is 215982941.

149289512 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 128913316 + 20376196 = 11354^2 + 4514^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 149289512.

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, 548723 + ... + 548994.

Almost surely, 2149289512 is an apocalyptic number.

It is an amenable number.

149289512 is a deficient number, since it is larger than the sum of its proper divisors (147094348).

149289512 is a wasteful number, since it uses less digits than its factorization.

149289512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097740 (or 1097736 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 149289512 is about 12218.4087343647. The cubic root of 149289512 is about 530.4890608591.

The spelling of 149289512 in words is "one hundred forty-nine million, two hundred eighty-nine thousand, five hundred twelve".

Divisors: 1 2 4 8 17 34 68 136 1097717 2195434 4390868 8781736 18661189 37322378 74644756 149289512