Base | Representation |
---|---|
bin | 111010111011010… |
… | …010100111011000 |
3 | 2112220021011102200 |
4 | 322323102213120 |
5 | 4011041340042 |
6 | 242033330200 |
7 | 33333066522 |
oct | 7273224730 |
9 | 2486234380 |
10 | 988621272 |
11 | 468061881 |
12 | 237106960 |
13 | 129a84c02 |
14 | 95428a12 |
15 | 5bbd4c4c |
hex | 3aed29d8 |
988621272 has 24 divisors (see below), whose sum is σ = 2677516140. Its totient is φ = 329540400.
The previous prime is 988621189. The next prime is 988621273. The reversal of 988621272 is 272126889.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (988621273) 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 5 ways as a sum of consecutive naturals, for example, 6865354 + ... + 6865497.
Almost surely, 2988621272 is an apocalyptic number.
It is an amenable number.
988621272 is an abundant number, since it is smaller than the sum of its proper divisors (1688894868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
988621272 is a wasteful number, since it uses less digits than its factorization.
988621272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13730863 (or 13730856 counting only the distinct ones).
The product of its digits is 193536, while the sum is 45.
The square root of 988621272 is about 31442.3483855771. The cubic root of 988621272 is about 996.1926128674.
The spelling of 988621272 in words is "nine hundred eighty-eight million, six hundred twenty-one thousand, two hundred seventy-two".
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