Base | Representation |
---|---|
bin | 1010001000011… |
… | …0111110101000 |
3 | 2221222000102200 |
4 | 2202012332220 |
5 | 41334332122 |
6 | 4114500200 |
7 | 1024131534 |
oct | 242067650 |
9 | 87860380 |
10 | 42495912 |
11 | 21a95898 |
12 | 12294660 |
13 | 8a5b914 |
14 | 5902bc4 |
15 | 3ae65ac |
hex | 2886fa8 |
42495912 has 48 divisors (see below), whose sum is σ = 115395540. Its totient is φ = 14128128.
The previous prime is 42495899. The next prime is 42495931. The reversal of 42495912 is 21959424.
It can be written as a sum of positive squares in 2 ways, for example, as 42068196 + 427716 = 6486^2 + 654^2 .
It is a Harshad number since it is a multiple of its sum of digits (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, 48018 + ... + 48894.
Almost surely, 242495912 is an apocalyptic number.
It is an amenable number.
42495912 is an abundant number, since it is smaller than the sum of its proper divisors (72899628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42495912 is a wasteful number, since it uses less digits than its factorization.
42495912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1562 (or 1555 counting only the distinct ones).
The product of its digits is 25920, while the sum is 36.
The square root of 42495912 is about 6518.8888623752. Note that the first 4 decimals coincide. The cubic root of 42495912 is about 348.9654128388.
The spelling of 42495912 in words is "forty-two million, four hundred ninety-five thousand, nine hundred twelve".
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