Base | Representation |
---|---|
bin | 10111000010000… |
… | …100010000000100 |
3 | 222221010001101111 |
4 | 113002010100010 |
5 | 1242410331133 |
6 | 102202134404 |
7 | 12401332060 |
oct | 2702042004 |
9 | 887101344 |
10 | 386417668 |
11 | 18913934a |
12 | a94b1404 |
13 | 62097310 |
14 | 3946aaa0 |
15 | 23dce1cd |
hex | 17084404 |
386417668 has 96 divisors (see below), whose sum is σ = 891878400. Its totient is φ = 142217856.
The previous prime is 386417653. The next prime is 386417671. The reversal of 386417668 is 866714683.
It is a super-2 number, since 2×3864176682 = 298637228285116448, which contains 22 as substring.
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, 407571 + ... + 408517.
It is an arithmetic number, because the mean of its divisors is an integer number (9290400).
Almost surely, 2386417668 is an apocalyptic number.
386417668 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 386417668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445939200).
386417668 is an abundant number, since it is smaller than the sum of its proper divisors (505460732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
386417668 is a wasteful number, since it uses less digits than its factorization.
386417668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1049 (or 1047 counting only the distinct ones).
The product of its digits is 1161216, while the sum is 49.
The square root of 386417668 is about 19657.5092013205. The cubic root of 386417668 is about 728.3704616322.
The spelling of 386417668 in words is "three hundred eighty-six million, four hundred seventeen thousand, six hundred sixty-eight".
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