Base | Representation |
---|---|
bin | 1010101010000… |
… | …10011111011001 |
3 | 20020020001112110 |
4 | 11111002133121 |
5 | 140341320210 |
6 | 12512102533 |
7 | 2133620130 |
oct | 525023731 |
9 | 206201473 |
10 | 89401305 |
11 | 46512584 |
12 | 25b34a49 |
13 | 156a25a6 |
14 | bc32917 |
15 | 7cae420 |
hex | 55427d9 |
89401305 has 32 divisors (see below), whose sum is σ = 164162304. Its totient is φ = 40697856.
The previous prime is 89401297. The next prime is 89401307. The reversal of 89401305 is 50310498.
It is not a de Polignac number, because 89401305 - 23 = 89401297 is a prime.
It is not an unprimeable number, because it can be changed into a prime (89401307) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25329 + ... + 28641.
It is an arithmetic number, because the mean of its divisors is an integer number (5130072).
Almost surely, 289401305 is an apocalyptic number.
It is an amenable number.
89401305 is a deficient number, since it is larger than the sum of its proper divisors (74760999).
89401305 is a wasteful number, since it uses less digits than its factorization.
89401305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3585.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 89401305 is about 9455.2263325634. The cubic root of 89401305 is about 447.1445613441.
The spelling of 89401305 in words is "eighty-nine million, four hundred one thousand, three hundred five".
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