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149928244 = 2297386413
BaseRepresentation
bin10001110111110…
…11100100110100
3101110010010212221
420323323210310
5301340200434
622513252124
73500240404
oct1073734464
9343103787
10149928244
11776a3344
1242264044
13250a534b
1415caa804
15d2682b4
hex8efb934

149928244 has 12 divisors (see below), whose sum is σ = 265080004. Its totient is φ = 74191104.

The previous prime is 149928239. The next prime is 149928271. The reversal of 149928244 is 442829941.

It can be written as a sum of positive squares in 2 ways, for example, as 112105744 + 37822500 = 10588^2 + 6150^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 149928244.

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, 192819 + ... + 193594.

Almost surely, 2149928244 is an apocalyptic number.

It is an amenable number.

149928244 is a deficient number, since it is larger than the sum of its proper divisors (115151760).

149928244 is a wasteful number, since it uses less digits than its factorization.

149928244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386514 (or 386512 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 149928244 is about 12244.5189370591. The cubic root of 149928244 is about 531.2445464907.

The spelling of 149928244 in words is "one hundred forty-nine million, nine hundred twenty-eight thousand, two hundred forty-four".

Divisors: 1 2 4 97 194 388 386413 772826 1545652 37482061 74964122 149928244