Base | Representation |
---|---|
bin | 1010001011100… |
… | …0111111101001 |
3 | 2222100102110021 |
4 | 2202320333221 |
5 | 41412411102 |
6 | 4123120441 |
7 | 1025644030 |
oct | 242707751 |
9 | 88312407 |
10 | 42700777 |
11 | 221157a9 |
12 | 12373121 |
13 | 8b00c42 |
14 | 5957717 |
15 | 3b37137 |
hex | 28b8fe9 |
42700777 has 4 divisors (see below), whose sum is σ = 48800896. Its totient is φ = 36600660.
The previous prime is 42700759. The next prime is 42700781. The reversal of 42700777 is 77700724.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 42700777 - 223 = 34312169 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42700717) 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, 3050049 + ... + 3050062.
It is an arithmetic number, because the mean of its divisors is an integer number (12200224).
Almost surely, 242700777 is an apocalyptic number.
It is an amenable number.
42700777 is a deficient number, since it is larger than the sum of its proper divisors (6100119).
42700777 is an equidigital number, since it uses as much as digits as its factorization.
42700777 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6100118.
The product of its (nonzero) digits is 19208, while the sum is 34.
The square root of 42700777 is about 6534.5831542647. The cubic root of 42700777 is about 349.5252802181.
The spelling of 42700777 in words is "forty-two million, seven hundred thousand, seven hundred seventy-seven".
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