Base | Representation |
---|---|
bin | 1000100101100… |
… | …00010001101110 |
3 | 12000112020222221 |
4 | 10102300101232 |
5 | 121414301243 |
6 | 11051425554 |
7 | 1533130000 |
oct | 422602156 |
9 | 160466887 |
10 | 72025198 |
11 | 37724663 |
12 | 201552ba |
13 | 11bca57b |
14 | 97cc370 |
15 | 64cabed |
hex | 44b046e |
72025198 has 40 divisors (see below), whose sum is σ = 128868408. Its totient is φ = 30178512.
The previous prime is 72025189. The next prime is 72025207. The reversal of 72025198 is 89152027.
It is an interprime number because it is at equal distance from previous prime (72025189) and next prime (72025207).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 254365 + ... + 254647.
Almost surely, 272025198 is an apocalyptic number.
72025198 is a deficient number, since it is larger than the sum of its proper divisors (56843210).
72025198 is an equidigital number, since it uses as much as digits as its factorization.
72025198 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 366 (or 345 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 34.
The square root of 72025198 is about 8486.7660507404. The cubic root of 72025198 is about 416.0652903871.
The spelling of 72025198 in words is "seventy-two million, twenty-five thousand, one hundred ninety-eight".
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