Base | Representation |
---|---|
bin | 1000010101010… |
… | …0000010011111 |
3 | 2102202111120220 |
4 | 2011110002133 |
5 | 32421302411 |
6 | 3245012423 |
7 | 603021654 |
oct | 205240237 |
9 | 72674526 |
10 | 34947231 |
11 | 187aa410 |
12 | b854113 |
13 | 7317a47 |
14 | 48d9c2b |
15 | 3104b06 |
hex | 215409f |
34947231 has 8 divisors (see below), whose sum is σ = 50832384. Its totient is φ = 21180120.
The previous prime is 34947229. The next prime is 34947259. The reversal of 34947231 is 13274943.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 34947231 - 21 = 34947229 is a prime.
It is a super-2 number, since 2×349472312 = 2442617909134722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1059007 = 34947231 / (3 + 4 + 9 + 4 + 7 + 2 + 3 + 1).
It is a junction number, because it is equal to n+sod(n) for n = 34947192 and 34947201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34947271) 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 7 ways as a sum of consecutive naturals, for example, 529471 + ... + 529536.
It is an arithmetic number, because the mean of its divisors is an integer number (6354048).
Almost surely, 234947231 is an apocalyptic number.
34947231 is a deficient number, since it is larger than the sum of its proper divisors (15885153).
34947231 is a wasteful number, since it uses less digits than its factorization.
34947231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1059021.
The product of its digits is 18144, while the sum is 33.
The square root of 34947231 is about 5911.6183063523. The cubic root of 34947231 is about 326.9421570012.
The spelling of 34947231 in words is "thirty-four million, nine hundred forty-seven thousand, two hundred thirty-one".
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