Base | Representation |
---|---|
bin | 10111010000100… |
… | …111111001000110 |
3 | 1000012021220221220 |
4 | 113100213321012 |
5 | 1244344434140 |
6 | 102420021210 |
7 | 12445634331 |
oct | 2720477106 |
9 | 1005256856 |
10 | 390233670 |
11 | 190305372 |
12 | aa831806 |
13 | 62b021c8 |
14 | 39b81618 |
15 | 243d4bd0 |
hex | 17427e46 |
390233670 has 32 divisors (see below), whose sum is σ = 952439040. Its totient is φ = 102298080.
The previous prime is 390233659. The next prime is 390233681. The reversal of 390233670 is 76332093.
It is an interprime number because it is at equal distance from previous prime (390233659) and next prime (390233681).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108466 + ... + 112005.
It is an arithmetic number, because the mean of its divisors is an integer number (29763720).
Almost surely, 2390233670 is an apocalyptic number.
390233670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
390233670 is an abundant number, since it is smaller than the sum of its proper divisors (562205370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390233670 is a wasteful number, since it uses less digits than its factorization.
390233670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220540.
The product of its (nonzero) digits is 20412, while the sum is 33.
The square root of 390233670 is about 19754.3329424205. The cubic root of 390233670 is about 730.7602450745.
The spelling of 390233670 in words is "three hundred ninety million, two hundred thirty-three thousand, six hundred seventy".
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