Base | Representation |
---|---|
bin | 10111101101000… |
… | …101110011100110 |
3 | 1000201100001200000 |
4 | 113231011303212 |
5 | 1303302234410 |
6 | 103244002130 |
7 | 12566235141 |
oct | 2755056346 |
9 | 1021301600 |
10 | 397696230 |
11 | 194542078 |
12 | b1230346 |
13 | 64515b19 |
14 | 3ab65058 |
15 | 24daadc0 |
hex | 17b45ce6 |
397696230 has 48 divisors (see below), whose sum is σ = 1072313424. Its totient is φ = 106051680.
The previous prime is 397696213. The next prime is 397696253. The reversal of 397696230 is 32696793.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79401 + ... + 84260.
It is an arithmetic number, because the mean of its divisors is an integer number (22339863).
Almost surely, 2397696230 is an apocalyptic number.
397696230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
397696230 is an abundant number, since it is smaller than the sum of its proper divisors (674617194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
397696230 is a wasteful number, since it uses less digits than its factorization.
397696230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163683 (or 163671 counting only the distinct ones).
The product of its (nonzero) digits is 367416, while the sum is 45.
The square root of 397696230 is about 19942.3225828889. The cubic root of 397696230 is about 735.3890485107.
The spelling of 397696230 in words is "three hundred ninety-seven million, six hundred ninety-six thousand, two hundred thirty".
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