Base | Representation |
---|---|
bin | 1000101011100… |
… | …11101000011101 |
3 | 12002000220122001 |
4 | 10111303220131 |
5 | 122120402443 |
6 | 11120522301 |
7 | 1543001605 |
oct | 425635035 |
9 | 162026561 |
10 | 72825373 |
11 | 38120865 |
12 | 20480391 |
13 | 1211a84a |
14 | 9959c05 |
15 | 65d7d4d |
hex | 4573a1d |
72825373 has 2 divisors, whose sum is σ = 72825374. Its totient is φ = 72825372.
The previous prime is 72825323. The next prime is 72825413. The reversal of 72825373 is 37352827.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 50951044 + 21874329 = 7138^2 + 4677^2 .
It is a cyclic number.
It is not a de Polignac number, because 72825373 - 29 = 72824861 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (72825323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36412686 + 36412687.
It is an arithmetic number, because the mean of its divisors is an integer number (36412687).
Almost surely, 272825373 is an apocalyptic number.
It is an amenable number.
72825373 is a deficient number, since it is larger than the sum of its proper divisors (1).
72825373 is an equidigital number, since it uses as much as digits as its factorization.
72825373 is an evil number, because the sum of its binary digits is even.
The product of its digits is 70560, while the sum is 37.
The square root of 72825373 is about 8533.7783542813. The cubic root of 72825373 is about 417.6003999161.
The spelling of 72825373 in words is "seventy-two million, eight hundred twenty-five thousand, three hundred seventy-three".
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