Base | Representation |
---|---|
bin | 10111001111111… |
… | …011110010101000 |
3 | 1000011221202011121 |
4 | 113033323302220 |
5 | 1244323144112 |
6 | 102412105024 |
7 | 12444252565 |
oct | 2717736250 |
9 | 1004852147 |
10 | 390053032 |
11 | 1901a1686 |
12 | aa765174 |
13 | 62a6ac15 |
14 | 39b3586c |
15 | 2439b407 |
hex | 173fbca8 |
390053032 has 32 divisors (see below), whose sum is σ = 787081320. Its totient is φ = 180541440.
The previous prime is 390053003. The next prime is 390053051. The reversal of 390053032 is 230350093.
It can be written as a sum of positive squares in 4 ways, for example, as 367642276 + 22410756 = 19174^2 + 4734^2 .
It is a junction number, because it is equal to n+sod(n) for n = 390052988 and 390053006.
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, 15213 + ... + 31804.
Almost surely, 2390053032 is an apocalyptic number.
It is an amenable number.
390053032 is an abundant number, since it is smaller than the sum of its proper divisors (397028288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390053032 is a wasteful number, since it uses less digits than its factorization.
390053032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47101 (or 47097 counting only the distinct ones).
The product of its (nonzero) digits is 2430, while the sum is 25.
The square root of 390053032 is about 19749.7603023429. The cubic root of 390053032 is about 730.6474720939.
The spelling of 390053032 in words is "three hundred ninety million, fifty-three thousand, thirty-two".
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