Base | Representation |
---|---|
bin | 10001110100111… |
… | …01010011000000 |
3 | 101102101112011120 |
4 | 20322131103000 |
5 | 301240321310 |
6 | 22501112240 |
7 | 3464041512 |
oct | 1072352300 |
9 | 342345146 |
10 | 149542080 |
11 | 7745a1a6 |
12 | 420b8680 |
13 | 24c9b64c |
14 | 15c09bb2 |
15 | d1ddb70 |
hex | 8e9d4c0 |
149542080 has 56 divisors (see below), whose sum is σ = 474799152. Its totient is φ = 39877632.
The previous prime is 149542073. The next prime is 149542091. The reversal of 149542080 is 80245941.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76927 + ... + 78846.
Almost surely, 2149542080 is an apocalyptic number.
149542080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149542080 is an abundant number, since it is smaller than the sum of its proper divisors (325257072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149542080 is a wasteful number, since it uses less digits than its factorization.
149542080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155793 (or 155783 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 149542080 is about 12228.7399187324. The cubic root of 149542080 is about 530.7880527796.
The spelling of 149542080 in words is "one hundred forty-nine million, five hundred forty-two thousand, eighty".
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