Base | Representation |
---|---|
bin | 1010001111101… |
… | …1101100111000 |
3 | 2222212022020221 |
4 | 2203323230320 |
5 | 42000132013 |
6 | 4133025424 |
7 | 1031162440 |
oct | 243735470 |
9 | 88768227 |
10 | 42974008 |
11 | 22292010 |
12 | 12485274 |
13 | 8b9840c |
14 | 59c9120 |
15 | 3b8d08d |
hex | 28fbb38 |
42974008 has 32 divisors (see below), whose sum is σ = 100460160. Its totient is φ = 16742880.
The previous prime is 42974003. The next prime is 42974021. The reversal of 42974008 is 80047924.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42974003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34266 + ... + 35497.
It is an arithmetic number, because the mean of its divisors is an integer number (3139380).
Almost surely, 242974008 is an apocalyptic number.
It is an amenable number.
42974008 is an abundant number, since it is smaller than the sum of its proper divisors (57486152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42974008 is a wasteful number, since it uses less digits than its factorization.
42974008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69787 (or 69783 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 42974008 is about 6555.4563532984. The cubic root of 42974008 is about 350.2692024138.
The spelling of 42974008 in words is "forty-two million, nine hundred seventy-four thousand, eight".
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