Base | Representation |
---|---|
bin | 1111001000101… |
… | …1110010011010 |
3 | 11102110110222012 |
4 | 3302023302122 |
5 | 112223042010 |
6 | 10144425522 |
7 | 1400426450 |
oct | 362136232 |
9 | 142413865 |
10 | 63487130 |
11 | 32922903 |
12 | 193182a2 |
13 | 101cb265 |
14 | 86089d0 |
15 | 5891005 |
hex | 3c8bc9a |
63487130 has 64 divisors (see below), whose sum is σ = 139345920. Its totient is φ = 20353344.
The previous prime is 63487111. The next prime is 63487181. The reversal of 63487130 is 3178436.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75251 + ... + 76089.
It is an arithmetic number, because the mean of its divisors is an integer number (2177280).
Almost surely, 263487130 is an apocalyptic number.
63487130 is an abundant number, since it is smaller than the sum of its proper divisors (75858790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63487130 is a wasteful number, since it uses less digits than its factorization.
63487130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 923.
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 63487130 is about 7967.8811487120. The cubic root of 63487130 is about 398.9286539392.
The spelling of 63487130 in words is "sixty-three million, four hundred eighty-seven thousand, one hundred thirty".
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