Base | Representation |
---|---|
bin | 1000001101001… |
… | …1110011010001 |
3 | 2101202211001202 |
4 | 2003103303101 |
5 | 32303000334 |
6 | 3225440545 |
7 | 565403411 |
oct | 203236321 |
9 | 71684052 |
10 | 34421969 |
11 | 1848080a |
12 | b640155 |
13 | 719293a |
14 | 4800641 |
15 | 304e17e |
hex | 20d3cd1 |
34421969 has 4 divisors (see below), whose sum is σ = 34434660. Its totient is φ = 34409280.
The previous prime is 34421941. The next prime is 34422013. The reversal of 34421969 is 96912443.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 3763600 + 30658369 = 1940^2 + 5537^2 .
It is a cyclic number.
It is not a de Polignac number, because 34421969 - 28 = 34421713 is a prime.
It is a super-2 number, since 2×344219692 = 2369743899673922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (34421929) 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, 452 + ... + 8309.
It is an arithmetic number, because the mean of its divisors is an integer number (8608665).
Almost surely, 234421969 is an apocalyptic number.
It is an amenable number.
34421969 is a deficient number, since it is larger than the sum of its proper divisors (12691).
34421969 is an equidigital number, since it uses as much as digits as its factorization.
34421969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12690.
The product of its digits is 46656, while the sum is 38.
The square root of 34421969 is about 5867.0238622320. The cubic root of 34421969 is about 325.2958851748.
The spelling of 34421969 in words is "thirty-four million, four hundred twenty-one thousand, nine hundred sixty-nine".
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