Base | Representation |
---|---|
bin | 1101101000000… |
… | …0010001111001 |
3 | 10222112110001111 |
4 | 3122000101321 |
5 | 104112223122 |
6 | 5400520321 |
7 | 1262516545 |
oct | 332002171 |
9 | 128473044 |
10 | 57148537 |
11 | 2a2935a6 |
12 | 171800a1 |
13 | babc104 |
14 | 7838a25 |
15 | 503cd77 |
hex | 3680479 |
57148537 has 8 divisors (see below), whose sum is σ = 59950080. Its totient is φ = 54373440.
The previous prime is 57148529. The next prime is 57148541. The reversal of 57148537 is 73584175.
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 57148537 - 23 = 57148529 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 57148537.
It is not an unprimeable number, because it can be changed into a prime (57148037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2112 + ... + 10897.
It is an arithmetic number, because the mean of its divisors is an integer number (7493760).
Almost surely, 257148537 is an apocalyptic number.
It is an amenable number.
57148537 is a deficient number, since it is larger than the sum of its proper divisors (2801543).
57148537 is a wasteful number, since it uses less digits than its factorization.
57148537 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13223.
The product of its digits is 117600, while the sum is 40.
The square root of 57148537 is about 7559.6651380865. The cubic root of 57148537 is about 385.1841183780.
The spelling of 57148537 in words is "fifty-seven million, one hundred forty-eight thousand, five hundred thirty-seven".
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