Base | Representation |
---|---|
bin | 10111010001101… |
… | …111010010110010 |
3 | 1000012211210010202 |
4 | 113101233102302 |
5 | 1244433314010 |
6 | 102430155202 |
7 | 12451263101 |
oct | 2721572262 |
9 | 1005753122 |
10 | 390526130 |
11 | 190495075 |
12 | aa952b02 |
13 | 62ba5367 |
14 | 39c1a038 |
15 | 244416a5 |
hex | 1746f4b2 |
390526130 has 16 divisors (see below), whose sum is σ = 705565080. Its totient is φ = 155628672.
The previous prime is 390526117. The next prime is 390526141. The reversal of 390526130 is 31625093.
It can be written as a sum of positive squares in 4 ways, for example, as 345997201 + 44528929 = 18601^2 + 6673^2 .
It is a junction number, because it is equal to n+sod(n) for n = 390526093 and 390526102.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69899 + ... + 75278.
Almost surely, 2390526130 is an apocalyptic number.
390526130 is a deficient number, since it is larger than the sum of its proper divisors (315038950).
390526130 is a wasteful number, since it uses less digits than its factorization.
390526130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145453.
The product of its (nonzero) digits is 4860, while the sum is 29.
The square root of 390526130 is about 19761.7339826241. The cubic root of 390526130 is about 730.9427551872.
The spelling of 390526130 in words is "three hundred ninety million, five hundred twenty-six thousand, one hundred thirty".
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