Base | Representation |
---|---|
bin | 10111101010101… |
… | …111000111110001 |
3 | 1000200011201000120 |
4 | 113222233013301 |
5 | 1303123012100 |
6 | 103222440453 |
7 | 12561054540 |
oct | 2752570761 |
9 | 1020151016 |
10 | 397079025 |
11 | 194160392 |
12 | b0b93129 |
13 | 6435ac05 |
14 | 3aa44157 |
15 | 24cd80a0 |
hex | 17aaf1f1 |
397079025 has 48 divisors (see below), whose sum is σ = 752332800. Its totient is φ = 181028160.
The previous prime is 397078961. The next prime is 397079029. The reversal of 397079025 is 520970793.
It is not a de Polignac number, because 397079025 - 26 = 397078961 is a prime.
It is not an unprimeable number, because it can be changed into a prime (397079029) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250686 + ... + 252264.
It is an arithmetic number, because the mean of its divisors is an integer number (15673600).
Almost surely, 2397079025 is an apocalyptic number.
397079025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
397079025 is a deficient number, since it is larger than the sum of its proper divisors (355253775).
397079025 is a wasteful number, since it uses less digits than its factorization.
397079025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2078 (or 2073 counting only the distinct ones).
The product of its (nonzero) digits is 119070, while the sum is 42.
The square root of 397079025 is about 19926.8418220249. The cubic root of 397079025 is about 735.0084223201.
The spelling of 397079025 in words is "three hundred ninety-seven million, seventy-nine thousand, twenty-five".
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