Base | Representation |
---|---|
bin | 1011010101111… |
… | …1001101001000 |
3 | 10022112002211122 |
4 | 2311133031020 |
5 | 44134412010 |
6 | 4415414412 |
7 | 1115250122 |
oct | 265371510 |
9 | 108462748 |
10 | 47575880 |
11 | 24945510 |
12 | 13b24408 |
13 | 9b19c11 |
14 | 6466212 |
15 | 429b855 |
hex | 2d5f348 |
47575880 has 32 divisors (see below), whose sum is σ = 116778240. Its totient is φ = 17300160.
The previous prime is 47575861. The next prime is 47575883. The reversal of 47575880 is 8857574.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is not an unprimeable number, because it can be changed into a prime (47575883) 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, 53624 + ... + 54503.
It is an arithmetic number, because the mean of its divisors is an integer number (3649320).
Almost surely, 247575880 is an apocalyptic number.
47575880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47575880 is an abundant number, since it is smaller than the sum of its proper divisors (69202360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47575880 is a wasteful number, since it uses less digits than its factorization.
47575880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108149 (or 108145 counting only the distinct ones).
The product of its (nonzero) digits is 313600, while the sum is 44.
The square root of 47575880 is about 6897.5270930965. The cubic root of 47575880 is about 362.3505654379.
The spelling of 47575880 in words is "forty-seven million, five hundred seventy-five thousand, eight hundred eighty".
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