Base | Representation |
---|---|
bin | 1000001001111… |
… | …1100001000101 |
3 | 2101100221022001 |
4 | 2002133201011 |
5 | 32224122223 |
6 | 3221105301 |
7 | 563522143 |
oct | 202374105 |
9 | 71327261 |
10 | 34207813 |
11 | 18344922 |
12 | b558231 |
13 | 7119313 |
14 | 4786593 |
15 | 300a9ad |
hex | 209f845 |
34207813 has 4 divisors (see below), whose sum is σ = 34237228. Its totient is φ = 34178400.
The previous prime is 34207807. The next prime is 34207819. The reversal of 34207813 is 31870243.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (34207807) and next prime (34207819).
It can be written as a sum of positive squares in 2 ways, for example, as 10227204 + 23980609 = 3198^2 + 4897^2 .
It is a cyclic number.
It is not a de Polignac number, because 34207813 - 29 = 34207301 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 (34207819) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12888 + ... + 15313.
It is an arithmetic number, because the mean of its divisors is an integer number (8559307).
Almost surely, 234207813 is an apocalyptic number.
It is an amenable number.
34207813 is a deficient number, since it is larger than the sum of its proper divisors (29415).
34207813 is a wasteful number, since it uses less digits than its factorization.
34207813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29414.
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 34207813 is about 5848.7445661441. The cubic root of 34207813 is about 324.6198727277.
The spelling of 34207813 in words is "thirty-four million, two hundred seven thousand, eight hundred thirteen".
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