Base | Representation |
---|---|
bin | 10111100011100… |
… | …100110110110000 |
3 | 1000112122100011221 |
4 | 113203210312300 |
5 | 1302132430333 |
6 | 103114314424 |
7 | 12536106220 |
oct | 2743446660 |
9 | 1015570157 |
10 | 395201968 |
11 | 1930990a7 |
12 | b0428a14 |
13 | 63b51725 |
14 | 3a6b6080 |
15 | 24a66d2d |
hex | 178e4db0 |
395201968 has 20 divisors (see below), whose sum is σ = 875090320. Its totient is φ = 169372224.
The previous prime is 395201953. The next prime is 395201971. The reversal of 395201968 is 869102593.
It is a happy number.
It is a super-2 number, since 2×3952019682 = 312369191022146048, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1764183 + ... + 1764406.
It is an arithmetic number, because the mean of its divisors is an integer number (43754516).
Almost surely, 2395201968 is an apocalyptic number.
It is an amenable number.
395201968 is an abundant number, since it is smaller than the sum of its proper divisors (479888352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
395201968 is a wasteful number, since it uses less digits than its factorization.
395201968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3528604 (or 3528598 counting only the distinct ones).
The product of its (nonzero) digits is 116640, while the sum is 43.
The square root of 395201968 is about 19879.6873214847. The cubic root of 395201968 is about 733.8484245263.
The spelling of 395201968 in words is "three hundred ninety-five million, two hundred one thousand, nine hundred sixty-eight".
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