Base | Representation |
---|---|
bin | 10111101110000… |
… | …110010100010110 |
3 | 1000201211111010200 |
4 | 113232012110112 |
5 | 1303334213340 |
6 | 103253401330 |
7 | 12601415415 |
oct | 2756062426 |
9 | 1021744120 |
10 | 397960470 |
11 | 194702656 |
12 | b1339246 |
13 | 645a918b |
14 | 3abd347c |
15 | 24e0e330 |
hex | 17b86516 |
397960470 has 24 divisors (see below), whose sum is σ = 1034697456. Its totient is φ = 106122768.
The previous prime is 397960457. The next prime is 397960471. The reversal of 397960470 is 74069793.
397960470 is a `hidden beast` number, since 3 + 97 + 96 + 0 + 470 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (397960471) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2210802 + ... + 2210981.
It is an arithmetic number, because the mean of its divisors is an integer number (43112394).
Almost surely, 2397960470 is an apocalyptic number.
397960470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
397960470 is an abundant number, since it is smaller than the sum of its proper divisors (636736986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
397960470 is a wasteful number, since it uses less digits than its factorization.
397960470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4421796 (or 4421793 counting only the distinct ones).
The product of its (nonzero) digits is 285768, while the sum is 45.
The square root of 397960470 is about 19948.9465887299. The cubic root of 397960470 is about 735.5518831623.
The spelling of 397960470 in words is "three hundred ninety-seven million, nine hundred sixty thousand, four hundred seventy".
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