Base | Representation |
---|---|
bin | 1010100011001… |
… | …00010101111011 |
3 | 20011111211100210 |
4 | 11101210111323 |
5 | 140123211022 |
6 | 12440402203 |
7 | 2123110245 |
oct | 521442573 |
9 | 204454323 |
10 | 88491387 |
11 | 45a50986 |
12 | 25776363 |
13 | 1544438a |
14 | ba77095 |
15 | 7b7ea0c |
hex | 546457b |
88491387 has 8 divisors (see below), whose sum is σ = 118048320. Its totient is φ = 58964360.
The previous prime is 88491371. The next prime is 88491401. The reversal of 88491387 is 78319488.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 88491387 - 24 = 88491371 is a prime.
It is not an unprimeable number, because it can be changed into a prime (88491287) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712 + ... + 13322.
It is an arithmetic number, because the mean of its divisors is an integer number (14756040).
Almost surely, 288491387 is an apocalyptic number.
88491387 is a deficient number, since it is larger than the sum of its proper divisors (29556933).
88491387 is a wasteful number, since it uses less digits than its factorization.
88491387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14953.
The product of its digits is 387072, while the sum is 48.
The square root of 88491387 is about 9406.9860741898. The cubic root of 88491387 is about 445.6223871155.
The spelling of 88491387 in words is "eighty-eight million, four hundred ninety-one thousand, three hundred eighty-seven".
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