Base | Representation |
---|---|
bin | 10100110100010… |
… | …010101100100101 |
3 | 220100011212012200 |
4 | 110310102230211 |
5 | 1203402034024 |
6 | 54353405113 |
7 | 11440411353 |
oct | 2464225445 |
9 | 810155180 |
10 | 349252389 |
11 | 16a164542 |
12 | 98b69799 |
13 | 57483b25 |
14 | 345547d3 |
15 | 209dc2c9 |
hex | 14d12b25 |
349252389 has 24 divisors (see below), whose sum is σ = 514124832. Its totient is φ = 228402720.
The previous prime is 349252331. The next prime is 349252399. The reversal of 349252389 is 983252943.
It is a happy number.
349252389 is a `hidden beast` number, since 3 + 49 + 2 + 523 + 89 = 666.
It is not a de Polignac number, because 349252389 - 213 = 349244197 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (349252399) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299722 + ... + 300884.
It is an arithmetic number, because the mean of its divisors is an integer number (21421868).
Almost surely, 2349252389 is an apocalyptic number.
It is an amenable number.
349252389 is a deficient number, since it is larger than the sum of its proper divisors (164872443).
349252389 is a wasteful number, since it uses less digits than its factorization.
349252389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1777 (or 1774 counting only the distinct ones).
The product of its digits is 466560, while the sum is 45.
The square root of 349252389 is about 18688.2955081516. The cubic root of 349252389 is about 704.2277404602.
The spelling of 349252389 in words is "three hundred forty-nine million, two hundred fifty-two thousand, three hundred eighty-nine".
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