Base | Representation |
---|---|
bin | 111010011111… |
… | …1001110110101 |
3 | 2010201002011210 |
4 | 1310333032311 |
5 | 30322331301 |
6 | 3013152033 |
7 | 521446131 |
oct | 164771665 |
9 | 63632153 |
10 | 30667701 |
11 | 16347109 |
12 | a32b619 |
13 | 6479b8c |
14 | 41043c1 |
15 | 2a5bad6 |
hex | 1d3f3b5 |
30667701 has 4 divisors (see below), whose sum is σ = 40890272. Its totient is φ = 20445132.
The previous prime is 30667639. The next prime is 30667723. The reversal of 30667701 is 10776603.
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 not a de Polignac number, because 30667701 - 27 = 30667573 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 (30667751) 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, 5111281 + ... + 5111286.
It is an arithmetic number, because the mean of its divisors is an integer number (10222568).
Almost surely, 230667701 is an apocalyptic number.
It is an amenable number.
30667701 is a deficient number, since it is larger than the sum of its proper divisors (10222571).
30667701 is a wasteful number, since it uses less digits than its factorization.
30667701 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10222570.
The product of its (nonzero) digits is 5292, while the sum is 30.
The square root of 30667701 is about 5537.8426304835. The cubic root of 30667701 is about 313.0115814664.
The spelling of 30667701 in words is "thirty million, six hundred sixty-seven thousand, seven hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •