Base | Representation |
---|---|
bin | 1110101010001… |
… | …11011011100100 |
3 | 22120101211022122 |
4 | 13111013123210 |
5 | 222440212342 |
6 | 20111445112 |
7 | 3022164350 |
oct | 725073344 |
9 | 276354278 |
10 | 122975972 |
11 | 63464739 |
12 | 35226798 |
13 | 1c629662 |
14 | 12492460 |
15 | abe24d2 |
hex | 75476e4 |
122975972 has 12 divisors (see below), whose sum is σ = 245952000. Its totient is φ = 52703976.
The previous prime is 122975971. The next prime is 122975987. The reversal of 122975972 is 279579221.
122975972 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (122975971) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195972 + ... + 2196027.
It is an arithmetic number, because the mean of its divisors is an integer number (20496000).
Almost surely, 2122975972 is an apocalyptic number.
It is an amenable number.
122975972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122975972 is a wasteful number, since it uses less digits than its factorization.
122975972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4392010 (or 4392008 counting only the distinct ones).
The product of its digits is 158760, while the sum is 44.
The square root of 122975972 is about 11089.4531876013. The cubic root of 122975972 is about 497.2865975308.
The spelling of 122975972 in words is "one hundred twenty-two million, nine hundred seventy-five thousand, nine hundred seventy-two".
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