Base | Representation |
---|---|
bin | 1100110001000… |
… | …0100010000001 |
3 | 10201202101001110 |
4 | 3030100202001 |
5 | 102201420324 |
6 | 5151353533 |
7 | 1220061063 |
oct | 314204201 |
9 | 121671043 |
10 | 53545089 |
11 | 28252244 |
12 | 15b228a9 |
13 | b129bb0 |
14 | 717b733 |
15 | 4a7a329 |
hex | 3310881 |
53545089 has 8 divisors (see below), whose sum is σ = 76885312. Its totient is φ = 32950800.
The previous prime is 53545069. The next prime is 53545099. The reversal of 53545089 is 98054535.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 53545089 - 213 = 53536897 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1372951 = 53545089 / (5 + 3 + 5 + 4 + 5 + 0 + 8 + 9).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53545039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686437 + ... + 686514.
It is an arithmetic number, because the mean of its divisors is an integer number (9610664).
Almost surely, 253545089 is an apocalyptic number.
It is an amenable number.
53545089 is a deficient number, since it is larger than the sum of its proper divisors (23340223).
53545089 is a wasteful number, since it uses less digits than its factorization.
53545089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1372967.
The product of its (nonzero) digits is 108000, while the sum is 39.
The square root of 53545089 is about 7317.4509906114. The cubic root of 53545089 is about 376.9119279619.
The spelling of 53545089 in words is "fifty-three million, five hundred forty-five thousand, eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.031 sec. • engine limits •