Base | Representation |
---|---|
bin | 1101000010110… |
… | …1111000100001 |
3 | 10210221202100100 |
4 | 3100231320201 |
5 | 103001321024 |
6 | 5232413013 |
7 | 1233026466 |
oct | 320557041 |
9 | 123852310 |
10 | 54713889 |
11 | 2898039a |
12 | 163a7169 |
13 | b448ba9 |
14 | 73a366d |
15 | 4c0b7c9 |
hex | 342de21 |
54713889 has 12 divisors (see below), whose sum is σ = 80327572. Its totient is φ = 35877600.
The previous prime is 54713881. The next prime is 54713891. The reversal of 54713889 is 98831745.
It can be written as a sum of positive squares in 2 ways, for example, as 12723489 + 41990400 = 3567^2 + 6480^2 .
It is not a de Polignac number, because 54713889 - 23 = 54713881 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (54713881) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49282 + ... + 50379.
Almost surely, 254713889 is an apocalyptic number.
It is an amenable number.
54713889 is a deficient number, since it is larger than the sum of its proper divisors (25613683).
54713889 is a wasteful number, since it uses less digits than its factorization.
54713889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99728 (or 99725 counting only the distinct ones).
The product of its digits is 241920, while the sum is 45.
The square root of 54713889 is about 7396.8837357363. The cubic root of 54713889 is about 379.6346650355.
The spelling of 54713889 in words is "fifty-four million, seven hundred thirteen thousand, eight hundred eighty-nine".
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