Base | Representation |
---|---|
bin | 1010100001001… |
… | …10010000011001 |
3 | 20011000220112001 |
4 | 11100212100121 |
5 | 140042041311 |
6 | 12431121001 |
7 | 2121000652 |
oct | 520462031 |
9 | 204026461 |
10 | 88237081 |
11 | 45897909 |
12 | 25673161 |
13 | 153856ba |
14 | ba0c529 |
15 | 7b2e4c1 |
hex | 5426419 |
88237081 has 4 divisors (see below), whose sum is σ = 88406964. Its totient is φ = 88067200.
The previous prime is 88237063. The next prime is 88237087. The reversal of 88237081 is 18073288.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 12390400 + 75846681 = 3520^2 + 8709^2 .
It is a cyclic number.
It is not a de Polignac number, because 88237081 - 29 = 88236569 is a prime.
It is a super-2 number, since 2×882370812 = 15571564926801122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 88237081.
It is not an unprimeable number, because it can be changed into a prime (88237087) 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, 84160 + ... + 85201.
It is an arithmetic number, because the mean of its divisors is an integer number (22101741).
Almost surely, 288237081 is an apocalyptic number.
It is an amenable number.
88237081 is a deficient number, since it is larger than the sum of its proper divisors (169883).
88237081 is a wasteful number, since it uses less digits than its factorization.
88237081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169882.
The product of its (nonzero) digits is 21504, while the sum is 37.
The square root of 88237081 is about 9393.4594798722. The cubic root of 88237081 is about 445.1951019250.
It can be divided in two parts, 88 and 237081, that added together give a square (237169 = 4872).
The spelling of 88237081 in words is "eighty-eight million, two hundred thirty-seven thousand, eighty-one".
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