Base | Representation |
---|---|
bin | 1010001000100… |
… | …0101011011000 |
3 | 2221222100222110 |
4 | 2202020223120 |
5 | 41340042442 |
6 | 4114552320 |
7 | 1024161036 |
oct | 242105330 |
9 | 87870873 |
10 | 42502872 |
11 | 21aa0045 |
12 | 122986a0 |
13 | 8a61b39 |
14 | 5905556 |
15 | 3ae869c |
hex | 2888ad8 |
42502872 has 32 divisors (see below), whose sum is σ = 107758080. Its totient is φ = 13967520.
The previous prime is 42502853. The next prime is 42502903. The reversal of 42502872 is 27820524.
It is a congruent number.
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, 10768 + ... + 14175.
It is an arithmetic number, because the mean of its divisors is an integer number (3367440).
Almost surely, 242502872 is an apocalyptic number.
It is an amenable number.
42502872 is an abundant number, since it is smaller than the sum of its proper divisors (65255208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42502872 is a wasteful number, since it uses less digits than its factorization.
42502872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25023 (or 25019 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 30.
The square root of 42502872 is about 6519.4226738263. The cubic root of 42502872 is about 348.9844630374.
The spelling of 42502872 in words is "forty-two million, five hundred two thousand, eight hundred seventy-two".
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