Base | Representation |
---|---|
bin | 10111010001100… |
… | …010110100010010 |
3 | 1000012202012001000 |
4 | 113101202310102 |
5 | 1244430200101 |
6 | 102425122430 |
7 | 12450661104 |
oct | 2721426422 |
9 | 1005665030 |
10 | 390475026 |
11 | 19045a737 |
12 | aa929416 |
13 | 62b88016 |
14 | 39c05574 |
15 | 24431486 |
hex | 17462d12 |
390475026 has 16 divisors (see below), whose sum is σ = 867722400. Its totient is φ = 130158324.
The previous prime is 390474991. The next prime is 390475031. The reversal of 390475026 is 620574093.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3615456 + ... + 3615563.
It is an arithmetic number, because the mean of its divisors is an integer number (54232650).
Almost surely, 2390475026 is an apocalyptic number.
390475026 is an abundant number, since it is smaller than the sum of its proper divisors (477247374).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390475026 is a wasteful number, since it uses less digits than its factorization.
390475026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7231030 (or 7231024 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 36.
The square root of 390475026 is about 19760.4409363759. The cubic root of 390475026 is about 730.9108702290.
The spelling of 390475026 in words is "three hundred ninety million, four hundred seventy-five thousand, twenty-six".
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