Base | Representation |
---|---|
bin | 1010100110111… |
… | …10010101110111 |
3 | 20012110012211111 |
4 | 11103132111313 |
5 | 140240203340 |
6 | 12455215451 |
7 | 2130261154 |
oct | 523362567 |
9 | 205405744 |
10 | 88991095 |
11 | 46262366 |
12 | 25977587 |
13 | 1558a96b |
14 | bb6722b |
15 | 7c2caea |
hex | 54de577 |
88991095 has 16 divisors (see below), whose sum is σ = 108126720. Its totient is φ = 70308000.
The previous prime is 88991083. The next prime is 88991099. The reversal of 88991095 is 59019988.
It is a happy number.
It is not a de Polignac number, because 88991095 - 213 = 88982903 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88991099) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234616 + ... + 234994.
It is an arithmetic number, because the mean of its divisors is an integer number (6757920).
Almost surely, 288991095 is an apocalyptic number.
88991095 is a deficient number, since it is larger than the sum of its proper divisors (19135625).
88991095 is a wasteful number, since it uses less digits than its factorization.
88991095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 846.
The product of its (nonzero) digits is 233280, while the sum is 49.
The square root of 88991095 is about 9433.5091561942. The cubic root of 88991095 is about 446.4596182172.
The spelling of 88991095 in words is "eighty-eight million, nine hundred ninety-one thousand, ninety-five".
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