Base | Representation |
---|---|
bin | 10111010001000… |
… | …110000100010100 |
3 | 1000012112012111121 |
4 | 113101012010110 |
5 | 1244412413033 |
6 | 102422413324 |
7 | 12446660560 |
oct | 2721060424 |
9 | 1005465447 |
10 | 390357268 |
11 | 19038a214 |
12 | aa891244 |
13 | 62b46542 |
14 | 39bb46a0 |
15 | 2440b62d |
hex | 17446114 |
390357268 has 24 divisors (see below), whose sum is σ = 798873152. Its totient is φ = 163404864.
The previous prime is 390357259. The next prime is 390357283. The reversal of 390357268 is 862753093.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160905 + ... + 163312.
Almost surely, 2390357268 is an apocalyptic number.
It is an amenable number.
390357268 is an abundant number, since it is smaller than the sum of its proper divisors (408515884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390357268 is a wasteful number, since it uses less digits than its factorization.
390357268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 324271 (or 324269 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 43.
The square root of 390357268 is about 19757.4610717066. The cubic root of 390357268 is about 730.8373877181.
It can be divided in two parts, 390357 and 268, that added together give a 8-th power (390625 = 58).
The spelling of 390357268 in words is "three hundred ninety million, three hundred fifty-seven thousand, two hundred sixty-eight".
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