Base | Representation |
---|---|
bin | 1010101000101… |
… | …00110110101010 |
3 | 20012212120010020 |
4 | 11110110312222 |
5 | 140314330003 |
6 | 12504101310 |
7 | 2132211141 |
oct | 524246652 |
9 | 205776106 |
10 | 89214378 |
11 | 463a50a0 |
12 | 25a64836 |
13 | 15638496 |
14 | bbc4758 |
15 | 7c73d53 |
hex | 5514daa |
89214378 has 32 divisors (see below), whose sum is σ = 203116032. Its totient is φ = 25858800.
The previous prime is 89214371. The next prime is 89214403. The reversal of 89214378 is 87341298.
It is not an unprimeable number, because it can be changed into a prime (89214371) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27868 + ... + 30903.
It is an arithmetic number, because the mean of its divisors is an integer number (6347376).
Almost surely, 289214378 is an apocalyptic number.
89214378 is an abundant number, since it is smaller than the sum of its proper divisors (113901654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89214378 is a wasteful number, since it uses less digits than its factorization.
89214378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58810.
The product of its digits is 96768, while the sum is 42.
The square root of 89214378 is about 9445.3363095233. The cubic root of 89214378 is about 446.8327026848.
Subtracting from 89214378 its reverse (87341298), we obtain a triangular number (1873080 = T1935).
The spelling of 89214378 in words is "eighty-nine million, two hundred fourteen thousand, three hundred seventy-eight".
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