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149754824 = 2318719353
BaseRepresentation
bin10001110110100…
…01001111001000
3101102210022222222
420323101033020
5301314123244
622505433212
73465615662
oct1073211710
9342708888
10149754824
117759501a
124219b808
132504442b
1415c63532
15d231bee
hex8ed13c8

149754824 has 8 divisors (see below), whose sum is σ = 280790310. Its totient is φ = 74877408.

The previous prime is 149754809. The next prime is 149754859. The reversal of 149754824 is 428457941.

It can be written as a sum of positive squares in only one way, i.e., 147136900 + 2617924 = 12130^2 + 1618^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1497548242 = 44853014622541952, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 9359669 + ... + 9359684.

Almost surely, 2149754824 is an apocalyptic number.

It is an amenable number.

149754824 is a deficient number, since it is larger than the sum of its proper divisors (131035486).

149754824 is a wasteful number, since it uses less digits than its factorization.

149754824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18719359 (or 18719355 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 149754824 is about 12237.4353522296. The cubic root of 149754824 is about 531.0396396391.

The spelling of 149754824 in words is "one hundred forty-nine million, seven hundred fifty-four thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 18719353 37438706 74877412 149754824