Base | Representation |
---|---|
bin | 10111100000110… |
… | …11100001100001 |
3 | 111202011002022022 |
4 | 23300123201201 |
5 | 400443320100 |
6 | 31323351225 |
7 | 4613361245 |
oct | 1360334141 |
9 | 452132268 |
10 | 197245025 |
11 | a138111a |
12 | 56082515 |
13 | 31b31343 |
14 | 1c2a6425 |
15 | 124b2e85 |
hex | bc1b861 |
197245025 has 12 divisors (see below), whose sum is σ = 248595324. Its totient is φ = 155208000.
The previous prime is 197245007. The next prime is 197245049. The reversal of 197245025 is 520542791.
It can be written as a sum of positive squares in 6 ways, for example, as 44302336 + 152942689 = 6656^2 + 12367^2 .
It is not a de Polignac number, because 197245025 - 26 = 197244961 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63146 + ... + 66195.
It is an arithmetic number, because the mean of its divisors is an integer number (20716277).
Almost surely, 2197245025 is an apocalyptic number.
It is an amenable number.
197245025 is a deficient number, since it is larger than the sum of its proper divisors (51350299).
197245025 is a wasteful number, since it uses less digits than its factorization.
197245025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129412 (or 129407 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 35.
The square root of 197245025 is about 14044.3947893813. The cubic root of 197245025 is about 582.1059243993.
The spelling of 197245025 in words is "one hundred ninety-seven million, two hundred forty-five thousand, twenty-five".
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