Base | Representation |
---|---|
bin | 1010101111100… |
… | …10011110001101 |
3 | 20021120200022111 |
4 | 11113302132031 |
5 | 141032402000 |
6 | 12535344021 |
7 | 2143011502 |
oct | 527623615 |
9 | 207520274 |
10 | 90122125 |
11 | 469650a5 |
12 | 26222011 |
13 | 15895702 |
14 | bd7d4a9 |
15 | 7da2cba |
hex | 55f278d |
90122125 has 16 divisors (see below), whose sum is σ = 113068800. Its totient is φ = 71715600.
The previous prime is 90122113. The next prime is 90122129. The reversal of 90122125 is 52122109.
It is not a de Polignac number, because 90122125 - 215 = 90089357 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 90122096 and 90122105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90122129) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23064 + ... + 26686.
It is an arithmetic number, because the mean of its divisors is an integer number (7066800).
Almost surely, 290122125 is an apocalyptic number.
It is an amenable number.
90122125 is a deficient number, since it is larger than the sum of its proper divisors (22946675).
90122125 is a wasteful number, since it uses less digits than its factorization.
90122125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3837 (or 3827 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 22.
The square root of 90122125 is about 9493.2673511284. The cubic root of 90122125 is about 448.3430836161.
The spelling of 90122125 in words is "ninety million, one hundred twenty-two thousand, one hundred twenty-five".
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