Base | Representation |
---|---|
bin | 100110001010… |
… | …1110000111000 |
3 | 1101122201102110 |
4 | 1030111300320 |
5 | 20110341323 |
6 | 1552532320 |
7 | 332046165 |
oct | 114256070 |
9 | 41581373 |
10 | 20012088 |
11 | 10329418 |
12 | 68510a0 |
13 | 41b8a95 |
14 | 292d06c |
15 | 1b54793 |
hex | 1315c38 |
20012088 has 32 divisors (see below), whose sum is σ = 51757200. Its totient is φ = 6440448.
The previous prime is 20012063. The next prime is 20012099. The reversal of 20012088 is 88021002.
It is a super-2 number, since 2×200120882 = 800967332239488, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13681 + ... + 15072.
Almost surely, 220012088 is an apocalyptic number.
It is an amenable number.
20012088 is an abundant number, since it is smaller than the sum of its proper divisors (31745112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20012088 is a wasteful number, since it uses less digits than its factorization.
20012088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28791 (or 28787 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 21.
The square root of 20012088 is about 4473.4872303383. The cubic root of 20012088 is about 271.4964371126.
The spelling of 20012088 in words is "twenty million, twelve thousand, eighty-eight".
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