Base | Representation |
---|---|
bin | 1010000101111… |
… | …1111001101001 |
3 | 2221122212212102 |
4 | 2201133321221 |
5 | 41314221344 |
6 | 4111223145 |
7 | 1022564063 |
oct | 241377151 |
9 | 87585772 |
10 | 42335849 |
11 | 21996606 |
12 | 12217ab5 |
13 | 8a03aca |
14 | 58a0733 |
15 | 3ab3e4e |
hex | 285fe69 |
42335849 has 4 divisors (see below), whose sum is σ = 42488964. Its totient is φ = 42182736.
The previous prime is 42335771. The next prime is 42335869. The reversal of 42335849 is 94853324.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5914624 + 36421225 = 2432^2 + 6035^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42335849 is a prime.
It is a super-2 number, since 2×423358492 = 3584648221101602, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42335869) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76142 + ... + 76695.
It is an arithmetic number, because the mean of its divisors is an integer number (10622241).
Almost surely, 242335849 is an apocalyptic number.
It is an amenable number.
42335849 is a deficient number, since it is larger than the sum of its proper divisors (153115).
42335849 is a wasteful number, since it uses less digits than its factorization.
42335849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153114.
The product of its digits is 103680, while the sum is 38.
The square root of 42335849 is about 6506.6004180371. The cubic root of 42335849 is about 348.5267296489.
The spelling of 42335849 in words is "forty-two million, three hundred thirty-five thousand, eight hundred forty-nine".
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