Base | Representation |
---|---|
bin | 1110101001000… |
… | …11111010011101 |
3 | 22120010102202112 |
4 | 13110203322131 |
5 | 222421033433 |
6 | 20104403405 |
7 | 3021020252 |
oct | 724437235 |
9 | 276112675 |
10 | 122830493 |
11 | 63375405 |
12 | 35176565 |
13 | 1c5a8386 |
14 | 12455429 |
15 | abb4348 |
hex | 7523e9d |
122830493 has 2 divisors, whose sum is σ = 122830494. Its totient is φ = 122830492.
The previous prime is 122830483. The next prime is 122830517. The reversal of 122830493 is 394038221.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 86806489 + 36024004 = 9317^2 + 6002^2 .
It is an emirp because it is prime and its reverse (394038221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122830493 - 226 = 55721629 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122830483) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61415246 + 61415247.
It is an arithmetic number, because the mean of its divisors is an integer number (61415247).
Almost surely, 2122830493 is an apocalyptic number.
It is an amenable number.
122830493 is a deficient number, since it is larger than the sum of its proper divisors (1).
122830493 is an equidigital number, since it uses as much as digits as its factorization.
122830493 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10368, while the sum is 32.
The square root of 122830493 is about 11082.8919059964. The cubic root of 122830493 is about 497.0904255954.
The spelling of 122830493 in words is "one hundred twenty-two million, eight hundred thirty thousand, four hundred ninety-three".
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