Base | Representation |
---|---|
bin | 1010011100100… |
… | …10001100100110 |
3 | 20002220002121220 |
4 | 11032102030212 |
5 | 134413140010 |
6 | 12410121210 |
7 | 2112563613 |
oct | 516221446 |
9 | 202802556 |
10 | 87630630 |
11 | 4551320a |
12 | 25420206 |
13 | 15202659 |
14 | b8d150a |
15 | 7a5e970 |
hex | 5392326 |
87630630 has 32 divisors (see below), whose sum is σ = 212403168. Its totient is φ = 23136000.
The previous prime is 87630629. The next prime is 87630661. The reversal of 87630630 is 3603678.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 87630591 and 87630600.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11431 + ... + 17490.
It is an arithmetic number, because the mean of its divisors is an integer number (6637599).
Almost surely, 287630630 is an apocalyptic number.
87630630 is an abundant number, since it is smaller than the sum of its proper divisors (124772538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87630630 is a wasteful number, since it uses less digits than its factorization.
87630630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29032.
The product of its (nonzero) digits is 18144, while the sum is 33.
The square root of 87630630 is about 9361.1233300283. The cubic root of 87630630 is about 444.1728184486.
The spelling of 87630630 in words is "eighty-seven million, six hundred thirty thousand, six hundred thirty".
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