Base | Representation |
---|---|
bin | 1101110010101… |
… | …0011100100101 |
3 | 11000211212011110 |
4 | 3130222130211 |
5 | 104302024131 |
6 | 5423455233 |
7 | 1301451615 |
oct | 334523445 |
9 | 130755143 |
10 | 57845541 |
11 | 2a71a236 |
12 | 17457519 |
13 | bca4440 |
14 | 797aa45 |
15 | 5129646 |
hex | 372a725 |
57845541 has 16 divisors (see below), whose sum is σ = 85307264. Its totient is φ = 34634304.
The previous prime is 57845497. The next prime is 57845549. The reversal of 57845541 is 14554875.
It is not a de Polignac number, because 57845541 - 27 = 57845413 is a prime.
It is a super-2 number, since 2×578455412 = 6692213227165362, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 57845541.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57845549) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18601 + ... + 21486.
It is an arithmetic number, because the mean of its divisors is an integer number (5331704).
Almost surely, 257845541 is an apocalyptic number.
It is an amenable number.
57845541 is a deficient number, since it is larger than the sum of its proper divisors (27461723).
57845541 is a wasteful number, since it uses less digits than its factorization.
57845541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40140.
The product of its digits is 112000, while the sum is 39.
The square root of 57845541 is about 7605.6256152929. The cubic root of 57845541 is about 386.7437426447.
It can be divided in two parts, 5784 and 5541, that added together give a triangular number (11325 = T150).
The spelling of 57845541 in words is "fifty-seven million, eight hundred forty-five thousand, five hundred forty-one".
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