Base | Representation |
---|---|
bin | 1101101010111… |
… | …1111101100101 |
3 | 10222220100222010 |
4 | 3122233331211 |
5 | 104140000340 |
6 | 5405024433 |
7 | 1264262136 |
oct | 332577545 |
9 | 128810863 |
10 | 57343845 |
11 | 2a407309 |
12 | 17255119 |
13 | bb59c90 |
14 | 7889c8d |
15 | 507ab80 |
hex | 36aff65 |
57343845 has 32 divisors (see below), whose sum is σ = 99187200. Its totient is φ = 28122624.
The previous prime is 57343829. The next prime is 57343849. The reversal of 57343845 is 54834375.
It is not a de Polignac number, because 57343845 - 24 = 57343829 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57343849) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79396 + ... + 80114.
It is an arithmetic number, because the mean of its divisors is an integer number (3099600).
Almost surely, 257343845 is an apocalyptic number.
It is an amenable number.
57343845 is a deficient number, since it is larger than the sum of its proper divisors (41843355).
57343845 is a wasteful number, since it uses less digits than its factorization.
57343845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1149.
The product of its digits is 201600, while the sum is 39.
The square root of 57343845 is about 7572.5718880708. The cubic root of 57343845 is about 385.6224148235.
The spelling of 57343845 in words is "fifty-seven million, three hundred forty-three thousand, eight hundred forty-five".
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