Base | Representation |
---|---|
bin | 1101000111001… |
… | …0111100101100 |
3 | 10211111010101210 |
4 | 3101302330230 |
5 | 103034344110 |
6 | 5242434420 |
7 | 1235315316 |
oct | 321627454 |
9 | 124433353 |
10 | 54996780 |
11 | 29053993 |
12 | 16502a10 |
13 | b517897 |
14 | 74387b6 |
15 | 4c65520 |
hex | 3472f2c |
54996780 has 24 divisors (see below), whose sum is σ = 153991152. Its totient is φ = 14665792.
The previous prime is 54996779. The next prime is 54996787. The reversal of 54996780 is 8769945.
It is not an unprimeable number, because it can be changed into a prime (54996787) 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, 458247 + ... + 458366.
It is an arithmetic number, because the mean of its divisors is an integer number (6416298).
Almost surely, 254996780 is an apocalyptic number.
It is an amenable number.
54996780 is an abundant number, since it is smaller than the sum of its proper divisors (98994372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54996780 is a wasteful number, since it uses less digits than its factorization.
54996780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 916625 (or 916623 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 48.
The square root of 54996780 is about 7415.9813915624. The cubic root of 54996780 is about 380.2878244120.
The spelling of 54996780 in words is "fifty-four million, nine hundred ninety-six thousand, seven hundred eighty".
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