Base | Representation |
---|---|
bin | 1010011111011… |
… | …00100100101101 |
3 | 20010120220102101 |
4 | 11033230210231 |
5 | 140012011223 |
6 | 12422055101 |
7 | 2115665065 |
oct | 517544455 |
9 | 203526371 |
10 | 88000813 |
11 | 4574634a |
12 | 2557a491 |
13 | 15301cb4 |
14 | b98a3a5 |
15 | 7ad44ad |
hex | 53ec92d |
88000813 has 4 divisors (see below), whose sum is σ = 88162240. Its totient is φ = 87839388.
The previous prime is 88000753. The next prime is 88000853. The reversal of 88000813 is 31800088.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 88000813 - 29 = 88000301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88000853) 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, 79893 + ... + 80986.
It is an arithmetic number, because the mean of its divisors is an integer number (22040560).
Almost surely, 288000813 is an apocalyptic number.
It is an amenable number.
88000813 is a deficient number, since it is larger than the sum of its proper divisors (161427).
88000813 is a wasteful number, since it uses less digits than its factorization.
88000813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 161426.
The product of its (nonzero) digits is 1536, while the sum is 28.
The square root of 88000813 is about 9380.8748525924. The cubic root of 88000813 is about 444.7973878792.
The spelling of 88000813 in words is "eighty-eight million, eight hundred thirteen", and thus it is an aban number.
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