Base | Representation |
---|---|
bin | 111010100011… |
… | …1010000011001 |
3 | 2010202202021010 |
4 | 1311013100121 |
5 | 30324404234 |
6 | 3014004133 |
7 | 521644014 |
oct | 165072031 |
9 | 63682233 |
10 | 30700569 |
11 | 16369879 |
12 | a346649 |
13 | 648bb23 |
14 | 411237b |
15 | 2a666e9 |
hex | 1d47419 |
30700569 has 4 divisors (see below), whose sum is σ = 40934096. Its totient is φ = 20467044.
The previous prime is 30700567. The next prime is 30700577. The reversal of 30700569 is 96500703.
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 30700569 - 21 = 30700567 is a prime.
It is a super-2 number, since 2×307005692 = 1885049873847522, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30700567) 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, 5116759 + ... + 5116764.
It is an arithmetic number, because the mean of its divisors is an integer number (10233524).
Almost surely, 230700569 is an apocalyptic number.
It is an amenable number.
30700569 is a deficient number, since it is larger than the sum of its proper divisors (10233527).
30700569 is a wasteful number, since it uses less digits than its factorization.
30700569 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10233526.
The product of its (nonzero) digits is 5670, while the sum is 30.
The square root of 30700569 is about 5540.8094174046. The cubic root of 30700569 is about 313.1233645597.
The spelling of 30700569 in words is "thirty million, seven hundred thousand, five hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •