Base | Representation |
---|---|
bin | 1010001101100… |
… | …1011110100111 |
3 | 2222121011222012 |
4 | 2203121132213 |
5 | 41431140311 |
6 | 4130024435 |
7 | 1030036655 |
oct | 243313647 |
9 | 88534865 |
10 | 42833831 |
11 | 221a6767 |
12 | 1241811b |
13 | 8b49681 |
14 | 598ddd5 |
15 | 3b6178b |
hex | 28d97a7 |
42833831 has 8 divisors (see below), whose sum is σ = 43570800. Its totient is φ = 42102720.
The previous prime is 42833821. The next prime is 42833849. The reversal of 42833831 is 13833824.
It is a happy number.
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 42833831 - 218 = 42571687 is a prime.
It is a super-2 number, since 2×428338312 = 3669474156273122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42833821) 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, 14780 + ... + 17438.
It is an arithmetic number, because the mean of its divisors is an integer number (5446350).
Almost surely, 242833831 is an apocalyptic number.
42833831 is a deficient number, since it is larger than the sum of its proper divisors (736969).
42833831 is a wasteful number, since it uses less digits than its factorization.
42833831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2929.
The product of its digits is 13824, while the sum is 32.
The square root of 42833831 is about 6544.7559923957. The cubic root of 42833831 is about 349.8879396354.
The spelling of 42833831 in words is "forty-two million, eight hundred thirty-three thousand, eight hundred thirty-one".
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