Base | Representation |
---|---|
bin | 1110100110000… |
… | …00101111011111 |
3 | 22112100210112212 |
4 | 13103000233133 |
5 | 222320034122 |
6 | 20051551035 |
7 | 3014406056 |
oct | 723005737 |
9 | 275323485 |
10 | 122424287 |
11 | 631181a7 |
12 | 34bbb47b |
13 | 1c49550b |
14 | 1238b39d |
15 | ab33ce2 |
hex | 74c0bdf |
122424287 has 2 divisors, whose sum is σ = 122424288. Its totient is φ = 122424286.
The previous prime is 122424241. The next prime is 122424373. The reversal of 122424287 is 782424221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 122424287 - 214 = 122407903 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122414287) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61212143 + 61212144.
It is an arithmetic number, because the mean of its divisors is an integer number (61212144).
Almost surely, 2122424287 is an apocalyptic number.
122424287 is a deficient number, since it is larger than the sum of its proper divisors (1).
122424287 is an equidigital number, since it uses as much as digits as its factorization.
122424287 is an evil number, because the sum of its binary digits is even.
The product of its digits is 14336, while the sum is 32.
The square root of 122424287 is about 11064.5509172311. The cubic root of 122424287 is about 496.5418535870.
The spelling of 122424287 in words is "one hundred twenty-two million, four hundred twenty-four thousand, two hundred eighty-seven".
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