Base | Representation |
---|---|
bin | 10111100110011… |
… | …010100011000100 |
3 | 1000121001011001100 |
4 | 113212122203010 |
5 | 1302330234210 |
6 | 103142300100 |
7 | 12545326020 |
oct | 2746324304 |
9 | 1017034040 |
10 | 395946180 |
11 | 193557253 |
12 | b0727630 |
13 | 640523a6 |
14 | 3a82b380 |
15 | 24b625c0 |
hex | 1799a8c4 |
395946180 has 72 divisors (see below), whose sum is σ = 1372617792. Its totient is φ = 90501696.
The previous prime is 395946179. The next prime is 395946209. The reversal of 395946180 is 81649593.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155862 + ... + 158381.
It is an arithmetic number, because the mean of its divisors is an integer number (19064136).
Almost surely, 2395946180 is an apocalyptic number.
395946180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
395946180 is an abundant number, since it is smaller than the sum of its proper divisors (976671612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
395946180 is a wasteful number, since it uses less digits than its factorization.
395946180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 314265 (or 314260 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 45.
The square root of 395946180 is about 19898.3964178021. The cubic root of 395946180 is about 734.3087767778.
The spelling of 395946180 in words is "three hundred ninety-five million, nine hundred forty-six thousand, one hundred eighty".
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