Base | Representation |
---|---|
bin | 10111010000111… |
… | …110011010001110 |
3 | 1000012110121110220 |
4 | 113100332122032 |
5 | 1244410412102 |
6 | 102422012210 |
7 | 12446500251 |
oct | 2720763216 |
9 | 1005417426 |
10 | 390325902 |
11 | 19036869a |
12 | aa877066 |
13 | 62b35195 |
14 | 39ba7098 |
15 | 244021bc |
hex | 1743e68e |
390325902 has 16 divisors (see below), whose sum is σ = 784698960. Its totient is φ = 129434112.
The previous prime is 390325891. The next prime is 390325909. The reversal of 390325902 is 209523093.
It is a super-2 number, since 2×3903259022 = 304708619544227208, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390325909) 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, 167377 + ... + 169692.
It is an arithmetic number, because the mean of its divisors is an integer number (49043685).
Almost surely, 2390325902 is an apocalyptic number.
390325902 is an abundant number, since it is smaller than the sum of its proper divisors (394373058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390325902 is a wasteful number, since it uses less digits than its factorization.
390325902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 337267.
The product of its (nonzero) digits is 14580, while the sum is 33.
The square root of 390325902 is about 19756.6672796805. The cubic root of 390325902 is about 730.8178124372.
Adding to 390325902 its reverse (209523093), we get a palindrome (599848995).
The spelling of 390325902 in words is "three hundred ninety million, three hundred twenty-five thousand, nine hundred two".
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