Base | Representation |
---|---|
bin | 1110101001111… |
… | …01101110100001 |
3 | 22120022210210112 |
4 | 13110331232201 |
5 | 222432424400 |
6 | 20110541105 |
7 | 3021640436 |
oct | 724755641 |
9 | 276283715 |
10 | 122936225 |
11 | 63437895 |
12 | 35207795 |
13 | 1c614539 |
14 | 12481b8d |
15 | abd5835 |
hex | 753dba1 |
122936225 has 12 divisors (see below), whose sum is σ = 152756220. Its totient is φ = 98145600.
The previous prime is 122936221. The next prime is 122936227. The reversal of 122936225 is 522639221.
It can be written as a sum of positive squares in 6 ways, for example, as 15108769 + 107827456 = 3887^2 + 10384^2 .
It is not a de Polignac number, because 122936225 - 22 = 122936221 is a prime.
It is a super-2 number, since 2×1229362252 = 30226630834501250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122936191 and 122936200.
It is not an unprimeable number, because it can be changed into a prime (122936221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7895 + ... + 17555.
It is an arithmetic number, because the mean of its divisors is an integer number (12729685).
Almost surely, 2122936225 is an apocalyptic number.
It is an amenable number.
122936225 is a deficient number, since it is larger than the sum of its proper divisors (29819995).
122936225 is an equidigital number, since it uses as much as digits as its factorization.
122936225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10180 (or 10175 counting only the distinct ones).
The product of its digits is 12960, while the sum is 32.
The square root of 122936225 is about 11087.6609345705. The cubic root of 122936225 is about 497.2330158435.
The spelling of 122936225 in words is "one hundred twenty-two million, nine hundred thirty-six thousand, two hundred twenty-five".
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