Base | Representation |
---|---|
bin | 10111101010100… |
… | …011011011010100 |
3 | 1000200002021022110 |
4 | 113222203123110 |
5 | 1303114443444 |
6 | 103221431020 |
7 | 12560465100 |
oct | 2752433324 |
9 | 1020067273 |
10 | 397031124 |
11 | 1941283a6 |
12 | b0b6b470 |
13 | 64342179 |
14 | 3aa30900 |
15 | 24cc8cb9 |
hex | 17aa36d4 |
397031124 has 72 divisors (see below), whose sum is σ = 1141076160. Its totient is φ = 106761984.
The previous prime is 397031111. The next prime is 397031147. The reversal of 397031124 is 421130793.
It is a junction number, because it is equal to n+sod(n) for n = 397031091 and 397031100.
It is a congruent number.
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, 9864 + ... + 29855.
It is an arithmetic number, because the mean of its divisors is an integer number (15848280).
Almost surely, 2397031124 is an apocalyptic number.
397031124 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
397031124 is an abundant number, since it is smaller than the sum of its proper divisors (744045036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
397031124 is a wasteful number, since it uses less digits than its factorization.
397031124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39757 (or 39748 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 397031124 is about 19925.6398642553. The cubic root of 397031124 is about 734.9788656055.
The spelling of 397031124 in words is "three hundred ninety-seven million, thirty-one thousand, one hundred twenty-four".
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