Base | Representation |
---|---|
bin | 10111010001110… |
… | …001011111010000 |
3 | 1000012212020110201 |
4 | 113101301133100 |
5 | 1244434110440 |
6 | 102430304544 |
7 | 12451331233 |
oct | 2721613720 |
9 | 1005766421 |
10 | 390535120 |
11 | 1904a08a8 |
12 | aa958154 |
13 | 62ba9491 |
14 | 39c1d41a |
15 | 2444419a |
hex | 174717d0 |
390535120 has 40 divisors (see below), whose sum is σ = 955787040. Its totient is φ = 147991680.
The previous prime is 390535099. The next prime is 390535121. The reversal of 390535120 is 21535093.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390535121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126946 + ... + 129985.
It is an arithmetic number, because the mean of its divisors is an integer number (23894676).
Almost surely, 2390535120 is an apocalyptic number.
It is an amenable number.
390535120 is an abundant number, since it is smaller than the sum of its proper divisors (565251920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390535120 is a wasteful number, since it uses less digits than its factorization.
390535120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 256963 (or 256957 counting only the distinct ones).
The product of its (nonzero) digits is 4050, while the sum is 28.
The square root of 390535120 is about 19761.9614411121. The cubic root of 390535120 is about 730.9483639668.
The spelling of 390535120 in words is "three hundred ninety million, five hundred thirty-five thousand, one hundred twenty".
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