Base | Representation |
---|---|
bin | 1010100101111… |
… | …10110010111111 |
3 | 20012012122121000 |
4 | 11102332302333 |
5 | 140222040022 |
6 | 12452341343 |
7 | 2126212362 |
oct | 522766277 |
9 | 205178530 |
10 | 88861887 |
11 | 46184284 |
12 | 25914853 |
13 | 15543bca |
14 | bb320d9 |
15 | 7c046ac |
hex | 54becbf |
88861887 has 16 divisors (see below), whose sum is σ = 136188000. Its totient is φ = 57197952.
The previous prime is 88861849. The next prime is 88861889. The reversal of 88861887 is 78816888.
It is not a de Polignac number, because 88861887 - 26 = 88861823 is a prime.
It is a super-3 number, since 3×888618873 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88861889) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55962 + ... + 57527.
It is an arithmetic number, because the mean of its divisors is an integer number (8511750).
Almost surely, 288861887 is an apocalyptic number.
88861887 is a gapful number since it is divisible by the number (87) formed by its first and last digit.
88861887 is a deficient number, since it is larger than the sum of its proper divisors (47326113).
88861887 is a wasteful number, since it uses less digits than its factorization.
88861887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113527 (or 113521 counting only the distinct ones).
The product of its digits is 1376256, while the sum is 54.
The square root of 88861887 is about 9426.6583156493. The cubic root of 88861887 is about 446.2434389262.
The spelling of 88861887 in words is "eighty-eight million, eight hundred sixty-one thousand, eight hundred eighty-seven".
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