Base | Representation |
---|---|
bin | 1101101100100… |
… | …1111001001101 |
3 | 11000002202200001 |
4 | 3123021321031 |
5 | 104201400221 |
6 | 5411204301 |
7 | 1265213614 |
oct | 333117115 |
9 | 130082601 |
10 | 57450061 |
11 | 2a47a099 |
12 | 172a6691 |
13 | bb96426 |
14 | 78b687b |
15 | 509c391 |
hex | 36c9e4d |
57450061 has 8 divisors (see below), whose sum is σ = 59081400. Its totient is φ = 55829760.
The previous prime is 57450059. The next prime is 57450083. The reversal of 57450061 is 16005475.
It can be written as a sum of positive squares in 4 ways, for example, as 1664100 + 55785961 = 1290^2 + 7469^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 57450061 - 21 = 57450059 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 (57450031) 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, 8425 + ... + 13633.
It is an arithmetic number, because the mean of its divisors is an integer number (7385175).
Almost surely, 257450061 is an apocalyptic number.
It is an amenable number.
57450061 is a deficient number, since it is larger than the sum of its proper divisors (1631339).
57450061 is a wasteful number, since it uses less digits than its factorization.
57450061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5519.
The product of its (nonzero) digits is 4200, while the sum is 28.
The square root of 57450061 is about 7579.5818486246. The cubic root of 57450061 is about 385.8603596123.
The spelling of 57450061 in words is "fifty-seven million, four hundred fifty thousand, sixty-one".
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