Base | Representation |
---|---|
bin | 1010101100010… |
… | …01110101101001 |
3 | 20020202220102011 |
4 | 11112021311221 |
5 | 140430143140 |
6 | 12522235521 |
7 | 2136245134 |
oct | 526116551 |
9 | 206686364 |
10 | 89693545 |
11 | 466a20a7 |
12 | 26055ba1 |
13 | 15775606 |
14 | bcab21b |
15 | 7d1acea |
hex | 5589d69 |
89693545 has 8 divisors (see below), whose sum is σ = 107783496. Its totient is φ = 71654016.
The previous prime is 89693507. The next prime is 89693551. The reversal of 89693545 is 54539698.
It can be written as a sum of positive squares in 4 ways, for example, as 45657049 + 44036496 = 6757^2 + 6636^2 .
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 89693545 - 215 = 89660777 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8572 + ... + 15901.
It is an arithmetic number, because the mean of its divisors is an integer number (13472937).
Almost surely, 289693545 is an apocalyptic number.
It is an amenable number.
89693545 is a deficient number, since it is larger than the sum of its proper divisors (18089951).
89693545 is a wasteful number, since it uses less digits than its factorization.
89693545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25211.
The product of its digits is 1166400, while the sum is 49.
The square root of 89693545 is about 9470.6676111032. The cubic root of 89693545 is about 447.6312484989.
The spelling of 89693545 in words is "eighty-nine million, six hundred ninety-three thousand, five hundred forty-five".
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