Base | Representation |
---|---|
bin | 1010101101000… |
… | …11110111010001 |
3 | 20020222022122022 |
4 | 11112203313101 |
5 | 140442101040 |
6 | 12524421225 |
7 | 2140201001 |
oct | 526436721 |
9 | 206868568 |
10 | 89800145 |
11 | 467651a6 |
12 | 260a7815 |
13 | 157b1ca6 |
14 | bcd8001 |
15 | 7d3c6b5 |
hex | 55a3dd1 |
89800145 has 8 divisors (see below), whose sum is σ = 108142656. Its totient is φ = 71585136.
The previous prime is 89800133. The next prime is 89800163. The reversal of 89800145 is 54100898.
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 89800145 - 220 = 88751569 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, 30317 + ... + 33146.
It is an arithmetic number, because the mean of its divisors is an integer number (13517832).
Almost surely, 289800145 is an apocalyptic number.
It is an amenable number.
89800145 is a deficient number, since it is larger than the sum of its proper divisors (18342511).
89800145 is a wasteful number, since it uses less digits than its factorization.
89800145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63751.
The product of its (nonzero) digits is 11520, while the sum is 35.
The square root of 89800145 is about 9476.2938430591. The cubic root of 89800145 is about 447.8085135764.
The spelling of 89800145 in words is "eighty-nine million, eight hundred thousand, one hundred forty-five".
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