Base | Representation |
---|---|
bin | 11110011010010110011101 |
3 | 120000000212122 |
4 | 132122112131 |
5 | 4020103003 |
6 | 442512325 |
7 | 124522502 |
oct | 36322635 |
9 | 16000778 |
10 | 7972253 |
11 | 4555743 |
12 | 28056a5 |
13 | 1861913 |
14 | 10b74a9 |
15 | a77238 |
hex | 79a59d |
7972253 has 2 divisors, whose sum is σ = 7972254. Its totient is φ = 7972252.
The previous prime is 7972231. The next prime is 7972271. The reversal of 7972253 is 3522797.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5579044 + 2393209 = 2362^2 + 1547^2 .
It is an emirp because it is prime and its reverse (3522797) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 7972253 - 26 = 7972189 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a d-powerful number, because it can be written as 73 + 95 + 77 + 217 + 221 + 57 + 314 .
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7972453) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3986126 + 3986127.
It is an arithmetic number, because the mean of its divisors is an integer number (3986127).
Almost surely, 27972253 is an apocalyptic number.
It is an amenable number.
7972253 is a deficient number, since it is larger than the sum of its proper divisors (1).
7972253 is an equidigital number, since it uses as much as digits as its factorization.
7972253 is an evil number, because the sum of its binary digits is even.
The product of its digits is 26460, while the sum is 35.
The square root of 7972253 is about 2823.5178412753. The cubic root of 7972253 is about 199.7685071587.
The spelling of 7972253 in words is "seven million, nine hundred seventy-two thousand, two hundred fifty-three".
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