Base | Representation |
---|---|
bin | 1101101101001… |
… | …0111110100101 |
3 | 11000011122201010 |
4 | 3123102332211 |
5 | 104204043034 |
6 | 5412052433 |
7 | 1265430240 |
oct | 333227645 |
9 | 130148633 |
10 | 57487269 |
11 | 2a4a5044 |
12 | 17304119 |
13 | bbaa348 |
14 | 78c6257 |
15 | 50a83e9 |
hex | 36d2fa5 |
57487269 has 8 divisors (see below), whose sum is σ = 87599680. Its totient is φ = 32849856.
The previous prime is 57487267. The next prime is 57487271. The reversal of 57487269 is 96278475.
It is an interprime number because it is at equal distance from previous prime (57487267) and next prime (57487271).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57487269 - 21 = 57487267 is a prime.
It is a super-2 number, since 2×574872692 = 6609572194156722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57487267) 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, 1368724 + ... + 1368765.
It is an arithmetic number, because the mean of its divisors is an integer number (10949960).
Almost surely, 257487269 is an apocalyptic number.
It is an amenable number.
57487269 is a deficient number, since it is larger than the sum of its proper divisors (30112411).
57487269 is a wasteful number, since it uses less digits than its factorization.
57487269 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2737499.
The product of its digits is 846720, while the sum is 48.
The square root of 57487269 is about 7582.0359402999. The cubic root of 57487269 is about 385.9436435034.
The spelling of 57487269 in words is "fifty-seven million, four hundred eighty-seven thousand, two hundred sixty-nine".
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