Base | Representation |
---|---|
bin | 1101000101011… |
… | …1100110001101 |
3 | 10211021102201111 |
4 | 3101113212031 |
5 | 103022302444 |
6 | 5240212021 |
7 | 1234340563 |
oct | 321274615 |
9 | 124242644 |
10 | 54884749 |
11 | 28a877a7 |
12 | 1646a011 |
13 | b4a88aa |
14 | 7409a33 |
15 | 4c42234 |
hex | 345798d |
54884749 has 4 divisors (see below), whose sum is σ = 57773440. Its totient is φ = 51996060.
The previous prime is 54884747. The next prime is 54884759. The reversal of 54884749 is 94748845.
It is a happy number.
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.
It is a cyclic number.
It is not a de Polignac number, because 54884749 - 21 = 54884747 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 (54884743) 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, 1444317 + ... + 1444354.
It is an arithmetic number, because the mean of its divisors is an integer number (14443360).
Almost surely, 254884749 is an apocalyptic number.
It is an amenable number.
54884749 is a deficient number, since it is larger than the sum of its proper divisors (2888691).
54884749 is a wasteful number, since it uses less digits than its factorization.
54884749 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2888690.
The product of its digits is 1290240, while the sum is 49.
The square root of 54884749 is about 7408.4241914188. The cubic root of 54884749 is about 380.0294275456.
The spelling of 54884749 in words is "fifty-four million, eight hundred eighty-four thousand, seven hundred forty-nine".
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