Base | Representation |
---|---|
bin | 1110101010010… |
… | …01111111111000 |
3 | 22120102100202010 |
4 | 13111021333320 |
5 | 222441031423 |
6 | 20112005520 |
7 | 3022240122 |
oct | 725117770 |
9 | 276370663 |
10 | 122986488 |
11 | 63471629 |
12 | 352308a0 |
13 | 1c631391 |
14 | 12496212 |
15 | abe5693 |
hex | 7549ff8 |
122986488 has 64 divisors (see below), whose sum is σ = 313956000. Its totient is φ = 40140800.
The previous prime is 122986481. The next prime is 122986499. The reversal of 122986488 is 884689221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122986481) 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 15 ways as a sum of consecutive naturals, for example, 273688 + ... + 274136.
Almost surely, 2122986488 is an apocalyptic number.
It is an amenable number.
122986488 is an abundant number, since it is smaller than the sum of its proper divisors (190969512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122986488 is a wasteful number, since it uses less digits than its factorization.
122986488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 672 (or 668 counting only the distinct ones).
The product of its digits is 442368, while the sum is 48.
The square root of 122986488 is about 11089.9273216735. The cubic root of 122986488 is about 497.3007718901.
The spelling of 122986488 in words is "one hundred twenty-two million, nine hundred eighty-six thousand, four hundred eighty-eight".
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