Base | Representation |
---|---|
bin | 1101101001011… |
… | …1100001011101 |
3 | 10222201021122120 |
4 | 3122113201131 |
5 | 104123244431 |
6 | 5402533153 |
7 | 1263364242 |
oct | 332274135 |
9 | 128637576 |
10 | 57243741 |
11 | 2a349085 |
12 | 172071b9 |
13 | bb23549 |
14 | 78615c9 |
15 | 505b196 |
hex | 369785d |
57243741 has 8 divisors (see below), whose sum is σ = 76361184. Its totient is φ = 38144400.
The previous prime is 57243733. The next prime is 57243829. The reversal of 57243741 is 14734275.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57243741 - 23 = 57243733 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57243721) 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, 7191 + ... + 12891.
It is an arithmetic number, because the mean of its divisors is an integer number (9545148).
Almost surely, 257243741 is an apocalyptic number.
It is an amenable number.
57243741 is a deficient number, since it is larger than the sum of its proper divisors (19117443).
57243741 is a wasteful number, since it uses less digits than its factorization.
57243741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9051.
The product of its digits is 23520, while the sum is 33.
The square root of 57243741 is about 7565.9593575435. The cubic root of 57243741 is about 385.3978930201.
The spelling of 57243741 in words is "fifty-seven million, two hundred forty-three thousand, seven hundred forty-one".
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