Base | Representation |
---|---|
bin | 1110101001101… |
… | …01111101101001 |
3 | 22120021012011202 |
4 | 13110311331221 |
5 | 222430420200 |
6 | 20110133545 |
7 | 3021445640 |
oct | 724657551 |
9 | 276235152 |
10 | 122904425 |
11 | 63415a06 |
12 | 351b12b5 |
13 | 1c602c17 |
14 | 12474357 |
15 | abcb1d5 |
hex | 7535f69 |
122904425 has 12 divisors (see below), whose sum is σ = 174173376. Its totient is φ = 84277200.
The previous prime is 122904413. The next prime is 122904427. The reversal of 122904425 is 524409221.
It is not a de Polignac number, because 122904425 - 218 = 122642281 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122904427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350981 + ... + 351330.
It is an arithmetic number, because the mean of its divisors is an integer number (14514448).
Almost surely, 2122904425 is an apocalyptic number.
It is an amenable number.
122904425 is a deficient number, since it is larger than the sum of its proper divisors (51268951).
122904425 is an equidigital number, since it uses as much as digits as its factorization.
122904425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 702328 (or 702323 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 122904425 is about 11086.2268152875. The cubic root of 122904425 is about 497.1901389413.
The spelling of 122904425 in words is "one hundred twenty-two million, nine hundred four thousand, four hundred twenty-five".
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