Base | Representation |
---|---|
bin | 111010101111… |
… | …1111100001101 |
3 | 2010221212221212 |
4 | 1311133330031 |
5 | 30341123202 |
6 | 3020104205 |
7 | 522544544 |
oct | 165377415 |
9 | 63855855 |
10 | 30801677 |
11 | 16428835 |
12 | a395065 |
13 | 64c5b5a |
14 | 413b15b |
15 | 2a86652 |
hex | 1d5ff0d |
30801677 has 4 divisors (see below), whose sum is σ = 30856380. Its totient is φ = 30746976.
The previous prime is 30801643. The next prime is 30801703. The reversal of 30801677 is 77610803.
It is a happy number.
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 1522756 + 29278921 = 1234^2 + 5411^2 .
It is a cyclic number.
It is not a de Polignac number, because 30801677 - 26 = 30801613 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30801077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26498 + ... + 27635.
It is an arithmetic number, because the mean of its divisors is an integer number (7714095).
Almost surely, 230801677 is an apocalyptic number.
It is an amenable number.
30801677 is a deficient number, since it is larger than the sum of its proper divisors (54703).
30801677 is an equidigital number, since it uses as much as digits as its factorization.
30801677 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54702.
The product of its (nonzero) digits is 7056, while the sum is 32.
The square root of 30801677 is about 5549.9258553606. The cubic root of 30801677 is about 313.4667304592.
The spelling of 30801677 in words is "thirty million, eight hundred one thousand, six hundred seventy-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.101 sec. • engine limits •