Base | Representation |
---|---|
bin | 1010101101001… |
… | …01110010000010 |
3 | 20020222201102022 |
4 | 11112211302002 |
5 | 140442324002 |
6 | 12524521442 |
7 | 2140232624 |
oct | 526456202 |
9 | 206881368 |
10 | 89808002 |
11 | 46770099 |
12 | 260b0282 |
13 | 157b573b |
14 | bcdac14 |
15 | 7d3eba2 |
hex | 55a5c82 |
89808002 has 8 divisors (see below), whose sum is σ = 135137916. Its totient is φ = 44762032.
The previous prime is 89807981. The next prime is 89808007. The reversal of 89808002 is 20080898.
It can be written as a sum of positive squares in 2 ways, for example, as 87590881 + 2217121 = 9359^2 + 1489^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (89808007) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70193 + ... + 71460.
Almost surely, 289808002 is an apocalyptic number.
89808002 is a deficient number, since it is larger than the sum of its proper divisors (45329914).
89808002 is a wasteful number, since it uses less digits than its factorization.
89808002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141972.
The product of its (nonzero) digits is 9216, while the sum is 35.
The square root of 89808002 is about 9476.7083947962. The cubic root of 89808002 is about 447.8215734249.
The spelling of 89808002 in words is "eighty-nine million, eight hundred eight thousand, two".
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