Base | Representation |
---|---|
bin | 1101101011110… |
… | …1111110111111 |
3 | 11000000021202022 |
4 | 3122331332333 |
5 | 104143320104 |
6 | 5410150355 |
7 | 1264621445 |
oct | 332757677 |
9 | 130007668 |
10 | 57401279 |
11 | 2a446481 |
12 | 172823bb |
13 | bb7a170 |
14 | 78a2b95 |
15 | 508cbbe |
hex | 36bdfbf |
57401279 has 8 divisors (see below), whose sum is σ = 62983872. Its totient is φ = 51985440.
The previous prime is 57401257. The next prime is 57401297. The reversal of 57401279 is 97210475.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57401279 - 212 = 57397183 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 (57401779) 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, 40967 + ... + 42344.
It is an arithmetic number, because the mean of its divisors is an integer number (7872984).
Almost surely, 257401279 is an apocalyptic number.
57401279 is a deficient number, since it is larger than the sum of its proper divisors (5582593).
57401279 is a wasteful number, since it uses less digits than its factorization.
57401279 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83377.
The product of its (nonzero) digits is 17640, while the sum is 35.
The square root of 57401279 is about 7576.3631776730. The cubic root of 57401279 is about 385.7511147602.
The spelling of 57401279 in words is "fifty-seven million, four hundred one thousand, two hundred seventy-nine".
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