Base | Representation |
---|---|
bin | 1010000111110… |
… | …0111111010110 |
3 | 2221212221022100 |
4 | 2201330333112 |
5 | 41332024443 |
6 | 4113542530 |
7 | 1023601335 |
oct | 241747726 |
9 | 87787270 |
10 | 42454998 |
11 | 21a68083 |
12 | 12274a46 |
13 | 8a46101 |
14 | 58d1d1c |
15 | 3ad93d3 |
hex | 287cfd6 |
42454998 has 48 divisors (see below), whose sum is σ = 94204656. Its totient is φ = 13815360.
The previous prime is 42454991. The next prime is 42454999. The reversal of 42454998 is 89945424.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42454991) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234468 + ... + 234648.
It is an arithmetic number, because the mean of its divisors is an integer number (1962597).
Almost surely, 242454998 is an apocalyptic number.
42454998 is an abundant number, since it is smaller than the sum of its proper divisors (51749658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42454998 is a wasteful number, since it uses less digits than its factorization.
42454998 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 429 (or 426 counting only the distinct ones).
The product of its digits is 414720, while the sum is 45.
The square root of 42454998 is about 6515.7499952039. The cubic root of 42454998 is about 348.8533851581.
The spelling of 42454998 in words is "forty-two million, four hundred fifty-four thousand, nine hundred ninety-eight".
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