Base | Representation |
---|---|
bin | 1100111101000… |
… | …0100101111010 |
3 | 10210020100011210 |
4 | 3033100211322 |
5 | 102402104040 |
6 | 5220303550 |
7 | 1226545443 |
oct | 317204572 |
9 | 123210153 |
10 | 54331770 |
11 | 2873a299 |
12 | 16241bb6 |
13 | b343c9c |
14 | 73042ca |
15 | 4b83480 |
hex | 33d097a |
54331770 has 16 divisors (see below), whose sum is σ = 130396320. Its totient is φ = 14488464.
The previous prime is 54331759. The next prime is 54331777. The reversal of 54331770 is 7713345.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1811059 = 54331770 / (5 + 4 + 3 + 3 + 1 + 7 + 7 + 0).
It is not an unprimeable number, because it can be changed into a prime (54331777) 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, 905500 + ... + 905559.
It is an arithmetic number, because the mean of its divisors is an integer number (8149770).
Almost surely, 254331770 is an apocalyptic number.
54331770 is an abundant number, since it is smaller than the sum of its proper divisors (76064550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54331770 is a wasteful number, since it uses less digits than its factorization.
54331770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1811069.
The product of its (nonzero) digits is 8820, while the sum is 30.
The square root of 54331770 is about 7371.0087505036. The cubic root of 54331770 is about 378.7488165611.
The spelling of 54331770 in words is "fifty-four million, three hundred thirty-one thousand, seven hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •