Base | Representation |
---|---|
bin | 1101101100100… |
… | …0011111010010 |
3 | 11000002110202220 |
4 | 3123020133102 |
5 | 104201204211 |
6 | 5411121510 |
7 | 1265161053 |
oct | 333103722 |
9 | 130073686 |
10 | 57444306 |
11 | 2a475837 |
12 | 172a3296 |
13 | bb9391a |
14 | 78b472a |
15 | 509a806 |
hex | 36c87d2 |
57444306 has 16 divisors (see below), whose sum is σ = 115016448. Its totient is φ = 19126800.
The previous prime is 57444301. The next prime is 57444307. The reversal of 57444306 is 60344475.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (57444301) 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, 1116 + ... + 10776.
It is an arithmetic number, because the mean of its divisors is an integer number (7188528).
Almost surely, 257444306 is an apocalyptic number.
57444306 is an abundant number, since it is smaller than the sum of its proper divisors (57572142).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57444306 is a wasteful number, since it uses less digits than its factorization.
57444306 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10657.
The product of its (nonzero) digits is 40320, while the sum is 33.
The square root of 57444306 is about 7579.2022007597. The cubic root of 57444306 is about 385.8474747955.
The spelling of 57444306 in words is "fifty-seven million, four hundred forty-four thousand, three hundred six".
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