Base | Representation |
---|---|
bin | 101111010010… |
… | …0010101111101 |
3 | 1201122111000212 |
4 | 1132210111331 |
5 | 22321243042 |
6 | 2243202205 |
7 | 420500132 |
oct | 136442575 |
9 | 51574025 |
10 | 24790397 |
11 | 12aa2435 |
12 | 8376365 |
13 | 519c998 |
14 | 3414589 |
15 | 229a482 |
hex | 17a457d |
24790397 has 2 divisors, whose sum is σ = 24790398. Its totient is φ = 24790396.
The previous prime is 24790393. The next prime is 24790411. The reversal of 24790397 is 79309742.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20376196 + 4414201 = 4514^2 + 2101^2 .
It is a cyclic number.
It is not a de Polignac number, because 24790397 - 22 = 24790393 is a prime.
It is a super-2 number, since 2×247903972 = 1229127566835218, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (24790391) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12395198 + 12395199.
It is an arithmetic number, because the mean of its divisors is an integer number (12395199).
Almost surely, 224790397 is an apocalyptic number.
It is an amenable number.
24790397 is a deficient number, since it is larger than the sum of its proper divisors (1).
24790397 is an equidigital number, since it uses as much as digits as its factorization.
24790397 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 95256, while the sum is 41.
The square root of 24790397 is about 4978.9955814401. The cubic root of 24790397 is about 291.5823021668.
The spelling of 24790397 in words is "twenty-four million, seven hundred ninety thousand, three hundred ninety-seven".
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