Base | Representation |
---|---|
bin | 1110100100101… |
… | …00000111101101 |
3 | 22112000111211121 |
4 | 13102110013231 |
5 | 222243212032 |
6 | 20044020541 |
7 | 3013015156 |
oct | 722240755 |
9 | 275014747 |
10 | 122241517 |
11 | 63002952 |
12 | 34b31751 |
13 | 1c430278 |
14 | 1234092d |
15 | aae9a97 |
hex | 74941ed |
122241517 has 2 divisors, whose sum is σ = 122241518. Its totient is φ = 122241516.
The previous prime is 122241503. The next prime is 122241547. The reversal of 122241517 is 715142221.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 84529636 + 37711881 = 9194^2 + 6141^2 .
It is an emirp because it is prime and its reverse (715142221) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122241517 is a prime.
It is a super-2 number, since 2×1222415172 = 29885976956922578, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122241491 and 122241500.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122241547) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61120758 + 61120759.
It is an arithmetic number, because the mean of its divisors is an integer number (61120759).
Almost surely, 2122241517 is an apocalyptic number.
It is an amenable number.
122241517 is a deficient number, since it is larger than the sum of its proper divisors (1).
122241517 is an equidigital number, since it uses as much as digits as its factorization.
122241517 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1120, while the sum is 25.
The square root of 122241517 is about 11056.2885725726. The cubic root of 122241517 is about 496.2946309793.
Adding to 122241517 its reverse (715142221), we get a palindrome (837383738).
The spelling of 122241517 in words is "one hundred twenty-two million, two hundred forty-one thousand, five hundred seventeen".
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