Base | Representation |
---|---|
bin | 1010001000000… |
… | …1101000101001 |
3 | 2221220220102001 |
4 | 2202001220221 |
5 | 41333132100 |
6 | 4114211001 |
7 | 1024010656 |
oct | 242015051 |
9 | 87826361 |
10 | 42474025 |
11 | 21a80400 |
12 | 12283a61 |
13 | 8a51979 |
14 | 58d8c2d |
15 | 3aded6a |
hex | 2881a29 |
42474025 has 36 divisors (see below), whose sum is σ = 61020400. Its totient is φ = 29224800.
The previous prime is 42474023. The next prime is 42474049. The reversal of 42474025 is 52047424.
It is a happy number.
It is not a de Polignac number, because 42474025 - 21 = 42474023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 42473984 and 42474002.
It is not an unprimeable number, because it can be changed into a prime (42474023) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57106 + ... + 57844.
Almost surely, 242474025 is an apocalyptic number.
It is an amenable number.
42474025 is a deficient number, since it is larger than the sum of its proper divisors (18546375).
42474025 is a wasteful number, since it uses less digits than its factorization.
42474025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 790 (or 774 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 28.
The square root of 42474025 is about 6517.2099091559. The cubic root of 42474025 is about 348.9054924272.
The spelling of 42474025 in words is "forty-two million, four hundred seventy-four thousand, twenty-five".
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