Base | Representation |
---|---|
bin | 1111001111001… |
… | …1000010111000 |
3 | 11110020222010201 |
4 | 3303303002320 |
5 | 112330110242 |
6 | 10201451544 |
7 | 1404140512 |
oct | 363630270 |
9 | 143228121 |
10 | 63910072 |
11 | 33091646 |
12 | 194a0bb4 |
13 | 10318915 |
14 | 86b8bb2 |
15 | 59264b7 |
hex | 3cf30b8 |
63910072 has 32 divisors (see below), whose sum is σ = 133563600. Its totient is φ = 28491264.
The previous prime is 63910069. The next prime is 63910087. The reversal of 63910072 is 27001936.
It is a self number, because there is not a number n which added to its sum of digits gives 63910072.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9783 + ... + 14950.
Almost surely, 263910072 is an apocalyptic number.
It is an amenable number.
63910072 is an abundant number, since it is smaller than the sum of its proper divisors (69653528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63910072 is a wasteful number, since it uses less digits than its factorization.
63910072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24775 (or 24771 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 28.
The square root of 63910072 is about 7994.3775242354. The cubic root of 63910072 is about 399.8125621814.
The spelling of 63910072 in words is "sixty-three million, nine hundred ten thousand, seventy-two".
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