Base | Representation |
---|---|
bin | 1010001000111… |
… | …1010101100100 |
3 | 2222000202101200 |
4 | 2202033111210 |
5 | 41341431043 |
6 | 4115322500 |
7 | 1024333413 |
oct | 242172544 |
9 | 88022350 |
10 | 42530148 |
11 | 22009591 |
12 | 122b0430 |
13 | 8a7138b |
14 | 591147a |
15 | 3b017d3 |
hex | 288f564 |
42530148 has 36 divisors (see below), whose sum is σ = 107818620. Its totient is φ = 14135616.
The previous prime is 42530119. The next prime is 42530179. The reversal of 42530148 is 84103524.
It can be written as a sum of positive squares in 2 ways, for example, as 23503104 + 19027044 = 4848^2 + 4362^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12486 + ... + 15522.
Almost surely, 242530148 is an apocalyptic number.
It is an amenable number.
42530148 is an abundant number, since it is smaller than the sum of its proper divisors (65288472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42530148 is a wasteful number, since it uses less digits than its factorization.
42530148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3436 (or 3431 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 42530148 is about 6521.5142413400. The cubic root of 42530148 is about 349.0591000698.
The spelling of 42530148 in words is "forty-two million, five hundred thirty thousand, one hundred forty-eight".
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