Base | Representation |
---|---|
bin | 1010100110000… |
… | …10101111110001 |
3 | 20012020110210012 |
4 | 11103002233301 |
5 | 140223044230 |
6 | 12452544305 |
7 | 2126310503 |
oct | 523025761 |
9 | 205213705 |
10 | 88878065 |
11 | 46195451 |
12 | 25922095 |
13 | 1554b393 |
14 | bb37d73 |
15 | 7c09395 |
hex | 54c2bf1 |
88878065 has 8 divisors (see below), whose sum is σ = 107433000. Its totient is φ = 70582912.
The previous prime is 88878061. The next prime is 88878077. The reversal of 88878065 is 56087888.
It can be written as a sum of positive squares in 4 ways, for example, as 16679056 + 72199009 = 4084^2 + 8497^2 .
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 88878065 - 22 = 88878061 is a prime.
It is not an unprimeable number, because it can be changed into a prime (88878061) 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, 64190 + ... + 65559.
It is an arithmetic number, because the mean of its divisors is an integer number (13429125).
Almost surely, 288878065 is an apocalyptic number.
It is an amenable number.
88878065 is a deficient number, since it is larger than the sum of its proper divisors (18554935).
88878065 is a wasteful number, since it uses less digits than its factorization.
88878065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129891.
The product of its (nonzero) digits is 860160, while the sum is 50.
The square root of 88878065 is about 9427.5163749526. The cubic root of 88878065 is about 446.2705179831.
The spelling of 88878065 in words is "eighty-eight million, eight hundred seventy-eight thousand, sixty-five".
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