Base | Representation |
---|---|
bin | 1111001111100… |
… | …1000110111100 |
3 | 11110022020012120 |
4 | 3303321012330 |
5 | 112331404113 |
6 | 10202202540 |
7 | 1404303102 |
oct | 363710674 |
9 | 143266176 |
10 | 63934908 |
11 | 330a9274 |
12 | 194b3450 |
13 | 1032700b |
14 | 86c3c72 |
15 | 592da23 |
hex | 3cf91bc |
63934908 has 48 divisors (see below), whose sum is σ = 158124960. Its totient is φ = 20070400.
The previous prime is 63934903. The next prime is 63934921. The reversal of 63934908 is 80943936.
It is a self number, because there is not a number n which added to its sum of digits gives 63934908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (63934901) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12028 + ... + 16508.
It is an arithmetic number, because the mean of its divisors is an integer number (3294270).
Almost surely, 263934908 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 63934908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79062480).
63934908 is an abundant number, since it is smaller than the sum of its proper divisors (94190052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63934908 is a wasteful number, since it uses less digits than its factorization.
63934908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4558 (or 4556 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 42.
The square root of 63934908 is about 7995.9307150575. The cubic root of 63934908 is about 399.8643456666.
Subtracting 63934908 from its reverse (80943936), we obtain a triangular number (17009028 = T5832).
The spelling of 63934908 in words is "sixty-three million, nine hundred thirty-four thousand, nine hundred eight".
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