Base | Representation |
---|---|
bin | 111110111000… |
… | …1111000000101 |
3 | 2022001011111001 |
4 | 1331301320011 |
5 | 31420103133 |
6 | 3134413301 |
7 | 550155064 |
oct | 175617005 |
9 | 68034431 |
10 | 32972293 |
11 | 17680632 |
12 | b061231 |
13 | 6aa5b43 |
14 | 45441db |
15 | 2d6487d |
hex | 1f71e05 |
32972293 has 2 divisors, whose sum is σ = 32972294. Its totient is φ = 32972292.
The previous prime is 32972281. The next prime is 32972297. The reversal of 32972293 is 39227923.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 22591009 + 10381284 = 4753^2 + 3222^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-32972293 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (32972297) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16486146 + 16486147.
It is an arithmetic number, because the mean of its divisors is an integer number (16486147).
Almost surely, 232972293 is an apocalyptic number.
It is an amenable number.
32972293 is a deficient number, since it is larger than the sum of its proper divisors (1).
32972293 is an equidigital number, since it uses as much as digits as its factorization.
32972293 is an evil number, because the sum of its binary digits is even.
The product of its digits is 40824, while the sum is 37.
The square root of 32972293 is about 5742.1505553233. The cubic root of 32972293 is about 320.6636390223.
The spelling of 32972293 in words is "thirty-two million, nine hundred seventy-two thousand, two hundred ninety-three".
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