Base | Representation |
---|---|
bin | 10111010001100… |
… | …011110010100101 |
3 | 1000012202101111200 |
4 | 113101203302211 |
5 | 1244430312023 |
6 | 102425153113 |
7 | 12451005531 |
oct | 2721436245 |
9 | 1005671450 |
10 | 390479013 |
11 | 190462731 |
12 | aa92b799 |
13 | 62b89a92 |
14 | 39c06bc1 |
15 | 24432743 |
hex | 17463ca5 |
390479013 has 24 divisors (see below), whose sum is σ = 597074400. Its totient is φ = 245221344.
The previous prime is 390479009. The next prime is 390479041. The reversal of 390479013 is 310974093.
It is not a de Polignac number, because 390479013 - 22 = 390479009 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390479003) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24231 + ... + 36987.
It is an arithmetic number, because the mean of its divisors is an integer number (24878100).
Almost surely, 2390479013 is an apocalyptic number.
It is an amenable number.
390479013 is a deficient number, since it is larger than the sum of its proper divisors (206595387).
390479013 is a wasteful number, since it uses less digits than its factorization.
390479013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12961 (or 12958 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 36.
The square root of 390479013 is about 19760.5418194947. The cubic root of 390479013 is about 730.9133579098.
The spelling of 390479013 in words is "three hundred ninety million, four hundred seventy-nine thousand, thirteen".
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