Base | Representation |
---|---|
bin | 1101000100101… |
… | …1111000110101 |
3 | 10211011222221012 |
4 | 3101023320311 |
5 | 103014234124 |
6 | 5235202005 |
7 | 1234051010 |
oct | 321137065 |
9 | 124158835 |
10 | 54836789 |
11 | 28a54767 |
12 | 16446305 |
13 | b48cb07 |
14 | 73d6377 |
15 | 4c32e0e |
hex | 344be35 |
54836789 has 4 divisors (see below), whose sum is σ = 62670624. Its totient is φ = 47002956.
The previous prime is 54836741. The next prime is 54836833. The reversal of 54836789 is 98763845.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98763845 = 5 ⋅19752769.
It is not a de Polignac number, because 54836789 - 28 = 54836533 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54836389) 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, 3916907 + ... + 3916920.
It is an arithmetic number, because the mean of its divisors is an integer number (15667656).
Almost surely, 254836789 is an apocalyptic number.
It is an amenable number.
54836789 is a deficient number, since it is larger than the sum of its proper divisors (7833835).
54836789 is an equidigital number, since it uses as much as digits as its factorization.
54836789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7833834.
The product of its digits is 1451520, while the sum is 50.
The square root of 54836789 is about 7405.1866283032. The cubic root of 54836789 is about 379.9187014445.
The spelling of 54836789 in words is "fifty-four million, eight hundred thirty-six thousand, seven hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •