Base | Representation |
---|---|
bin | 10100110110011… |
… | …111110011100101 |
3 | 220101021020001111 |
4 | 110312133303211 |
5 | 1204024032443 |
6 | 54414025021 |
7 | 11445336424 |
oct | 2466376345 |
9 | 811236044 |
10 | 349830373 |
11 | 16a519812 |
12 | 991a8171 |
13 | 57626c29 |
14 | 346652bb |
15 | 20aa369d |
hex | 14d9fce5 |
349830373 has 4 divisors (see below), whose sum is σ = 349881868. Its totient is φ = 349778880.
The previous prime is 349830347. The next prime is 349830421. The reversal of 349830373 is 373038943.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 373038943 = 317 ⋅1176779.
It can be written as a sum of positive squares in 2 ways, for example, as 195524289 + 154306084 = 13983^2 + 12422^2 .
It is a cyclic number.
It is not a de Polignac number, because 349830373 - 213 = 349822181 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 (349830073) 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, 13668 + ... + 29773.
It is an arithmetic number, because the mean of its divisors is an integer number (87470467).
Almost surely, 2349830373 is an apocalyptic number.
It is an amenable number.
349830373 is a deficient number, since it is larger than the sum of its proper divisors (51495).
349830373 is an equidigital number, since it uses as much as digits as its factorization.
349830373 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51494.
The product of its (nonzero) digits is 163296, while the sum is 40.
The square root of 349830373 is about 18703.7529121832. The cubic root of 349830373 is about 704.6160060339.
The spelling of 349830373 in words is "three hundred forty-nine million, eight hundred thirty thousand, three hundred seventy-three".
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