Base | Representation |
---|---|
bin | 10111010010010… |
… | …011101000010000 |
3 | 1000020010100021222 |
4 | 113102103220100 |
5 | 1300003044320 |
6 | 102433304212 |
7 | 12452453024 |
oct | 2722235020 |
9 | 1006110258 |
10 | 390674960 |
11 | 190586975 |
12 | aaa05068 |
13 | 62c28020 |
14 | 39c58384 |
15 | 24470825 |
hex | 17493a10 |
390674960 has 160 divisors (see below), whose sum is σ = 1091180160. Its totient is φ = 128507904.
The previous prime is 390674953. The next prime is 390674981. The reversal of 390674960 is 69476093.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335339 + ... + 336501.
It is an arithmetic number, because the mean of its divisors is an integer number (6819876).
Almost surely, 2390674960 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 390674960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545590080).
390674960 is an abundant number, since it is smaller than the sum of its proper divisors (700505200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390674960 is a wasteful number, since it uses less digits than its factorization.
390674960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1225 (or 1219 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 44.
The square root of 390674960 is about 19765.4992347778. The cubic root of 390674960 is about 731.0355977956.
The spelling of 390674960 in words is "three hundred ninety million, six hundred seventy-four thousand, nine hundred sixty".
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