Base | Representation |
---|---|
bin | 100000100001010… |
… | …101001111101000 |
3 | 1102000122210101220 |
4 | 200201111033220 |
5 | 2104133434210 |
6 | 130050142040 |
7 | 16343411601 |
oct | 4041251750 |
9 | 1360583356 |
10 | 545608680 |
11 | 25aa88971 |
12 | 132881920 |
13 | 89063796 |
14 | 52668da8 |
15 | 32d76c70 |
hex | 208553e8 |
545608680 has 64 divisors (see below), whose sum is σ = 1689638400. Its totient is φ = 140801280.
The previous prime is 545608669. The next prime is 545608699. The reversal of 545608680 is 86806545.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69615 + ... + 77054.
It is an arithmetic number, because the mean of its divisors is an integer number (26400600).
Almost surely, 2545608680 is an apocalyptic number.
It is an amenable number.
545608680 is an abundant number, since it is smaller than the sum of its proper divisors (1144029720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
545608680 is a wasteful number, since it uses less digits than its factorization.
545608680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146714 (or 146710 counting only the distinct ones).
The product of its (nonzero) digits is 230400, while the sum is 42.
The square root of 545608680 is about 23358.2679152372. The cubic root of 545608680 is about 817.1348948061.
The spelling of 545608680 in words is "five hundred forty-five million, six hundred eight thousand, six hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •