Base | Representation |
---|---|
bin | 10111010001100… |
… | …010110100010011 |
3 | 1000012202012001001 |
4 | 113101202310103 |
5 | 1244430200102 |
6 | 102425122431 |
7 | 12450661105 |
oct | 2721426423 |
9 | 1005665031 |
10 | 390475027 |
11 | 19045a738 |
12 | aa929417 |
13 | 62b88017 |
14 | 39c05575 |
15 | 24431487 |
hex | 17462d13 |
390475027 has 4 divisors (see below), whose sum is σ = 390878136. Its totient is φ = 390071920.
The previous prime is 390474991. The next prime is 390475031. The reversal of 390475027 is 720574093.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 390475027 - 215 = 390442259 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (390475067) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200098 + ... + 202039.
It is an arithmetic number, because the mean of its divisors is an integer number (97719534).
Almost surely, 2390475027 is an apocalyptic number.
390475027 is a deficient number, since it is larger than the sum of its proper divisors (403109).
390475027 is an equidigital number, since it uses as much as digits as its factorization.
390475027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 403108.
The product of its (nonzero) digits is 52920, while the sum is 37.
The square root of 390475027 is about 19760.4409616790. The cubic root of 390475027 is about 730.9108708529.
The spelling of 390475027 in words is "three hundred ninety million, four hundred seventy-five thousand, twenty-seven".
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