Base | Representation |
---|---|
bin | 1010001111110… |
… | …1011010000000 |
3 | 2222212122211121 |
4 | 2203331122000 |
5 | 42000342432 |
6 | 4133122024 |
7 | 1031222005 |
oct | 243753200 |
9 | 88778747 |
10 | 42980992 |
11 | 2229728a |
12 | 12489314 |
13 | 8b9b652 |
14 | 59cb8ac |
15 | 3b90197 |
hex | 28fd680 |
42980992 has 32 divisors (see below), whose sum is σ = 85940100. Its totient is φ = 21411840.
The previous prime is 42980963. The next prime is 42981007. The reversal of 42980992 is 29908924.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 42302016 + 678976 = 6504^2 + 824^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51942 + ... + 52762.
Almost surely, 242980992 is an apocalyptic number.
It is an amenable number.
42980992 is a deficient number, since it is larger than the sum of its proper divisors (42959108).
42980992 is an equidigital number, since it uses as much as digits as its factorization.
42980992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1244 (or 1232 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 43.
The square root of 42980992 is about 6555.9890176845. The cubic root of 42980992 is about 350.2881762673.
The spelling of 42980992 in words is "forty-two million, nine hundred eighty thousand, nine hundred ninety-two".
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