Base | Representation |
---|---|
bin | 1110100110100… |
… | …00111110111000 |
3 | 22112111011210121 |
4 | 13103100332320 |
5 | 222324201213 |
6 | 20053223024 |
7 | 3015104026 |
oct | 723207670 |
9 | 275434717 |
10 | 122490808 |
11 | 63163180 |
12 | 35031a74 |
13 | 1c4b988b |
14 | 123a7716 |
15 | ab4888d |
hex | 74d0fb8 |
122490808 has 16 divisors (see below), whose sum is σ = 250549560. Its totient is φ = 55677600.
The previous prime is 122490803. The next prime is 122490811. The reversal of 122490808 is 808094221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122490803) 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, 695883 + ... + 696058.
Almost surely, 2122490808 is an apocalyptic number.
It is an amenable number.
122490808 is an abundant number, since it is smaller than the sum of its proper divisors (128058752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122490808 is a wasteful number, since it uses less digits than its factorization.
122490808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1391958 (or 1391954 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 34.
The square root of 122490808 is about 11067.5565505671. The cubic root of 122490808 is about 496.6317716927.
The spelling of 122490808 in words is "one hundred twenty-two million, four hundred ninety thousand, eight hundred eight".
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