Base | Representation |
---|---|
bin | 1111001111100… |
… | …0111010110011 |
3 | 11110022012010210 |
4 | 3303320322303 |
5 | 112331343011 |
6 | 10202155203 |
7 | 1404300612 |
oct | 363707263 |
9 | 143265123 |
10 | 63934131 |
11 | 330a8728 |
12 | 194b2b03 |
13 | 10326861 |
14 | 86c3879 |
15 | 592d6a6 |
hex | 3cf8eb3 |
63934131 has 8 divisors (see below), whose sum is σ = 85400784. Its totient is φ = 42545120.
The previous prime is 63934099. The next prime is 63934139. The reversal of 63934131 is 13143936.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 63934131 - 25 = 63934099 is a prime.
It is a super-2 number, since 2×639341312 = 8175146213450322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (63934139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17460 + ... + 20801.
It is an arithmetic number, because the mean of its divisors is an integer number (10675098).
Almost surely, 263934131 is an apocalyptic number.
63934131 is a deficient number, since it is larger than the sum of its proper divisors (21466653).
63934131 is a wasteful number, since it uses less digits than its factorization.
63934131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38821.
The product of its digits is 5832, while the sum is 30.
The square root of 63934131 is about 7995.8821276955. The cubic root of 63934131 is about 399.8627258115.
The spelling of 63934131 in words is "sixty-three million, nine hundred thirty-four thousand, one hundred thirty-one".
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