Base | Representation |
---|---|
bin | 1010001110010… |
… | …1001010101111 |
3 | 2222200121122112 |
4 | 2203211022233 |
5 | 41434203321 |
6 | 4131034235 |
7 | 1030326365 |
oct | 243451257 |
9 | 88617575 |
10 | 42881711 |
11 | 22229734 |
12 | 1243b97b |
13 | 8b653c2 |
14 | 59a3635 |
15 | 3b70a5b |
hex | 28e52af |
42881711 has 8 divisors (see below), whose sum is σ = 44342400. Its totient is φ = 41425920.
The previous prime is 42881687. The next prime is 42881743. The reversal of 42881711 is 11718824.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42881711 - 26 = 42881647 is a prime.
It is a super-2 number, since 2×428817112 = 3677682276575042, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42881771) 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, 28055 + ... + 29543.
It is an arithmetic number, because the mean of its divisors is an integer number (5542800).
Almost surely, 242881711 is an apocalyptic number.
42881711 is a deficient number, since it is larger than the sum of its proper divisors (1460689).
42881711 is a wasteful number, since it uses less digits than its factorization.
42881711 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2449.
The product of its digits is 3584, while the sum is 32.
The square root of 42881711 is about 6548.4128611443. The cubic root of 42881711 is about 350.0182602718.
The spelling of 42881711 in words is "forty-two million, eight hundred eighty-one thousand, seven hundred eleven".
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