Base | Representation |
---|---|
bin | 1010101010110… |
… | …11101010010101 |
3 | 20020102021221222 |
4 | 11111123222111 |
5 | 140403120110 |
6 | 12514220125 |
7 | 2134526534 |
oct | 525335225 |
9 | 206367858 |
10 | 89504405 |
11 | 46582a91 |
12 | 25b84645 |
13 | 1570a4b3 |
14 | bc5c31b |
15 | 7ccec55 |
hex | 555ba95 |
89504405 has 8 divisors (see below), whose sum is σ = 113723352. Its totient is φ = 67391488.
The previous prime is 89504321. The next prime is 89504413. The reversal of 89504405 is 50440598.
It can be written as a sum of positive squares in 4 ways, for example, as 19061956 + 70442449 = 4366^2 + 8393^2 .
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 89504405 - 212 = 89500309 is a prime.
It is a super-2 number, since 2×895044052 = 16022077028808050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent 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, 526412 + ... + 526581.
It is an arithmetic number, because the mean of its divisors is an integer number (14215419).
Almost surely, 289504405 is an apocalyptic number.
89504405 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
89504405 is a deficient number, since it is larger than the sum of its proper divisors (24218947).
89504405 is a wasteful number, since it uses less digits than its factorization.
89504405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1053015.
The product of its (nonzero) digits is 28800, while the sum is 35.
The square root of 89504405 is about 9460.6767728318. The cubic root of 89504405 is about 447.3163817074.
The spelling of 89504405 in words is "eighty-nine million, five hundred four thousand, four hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •