Base | Representation |
---|---|
bin | 10100100100011… |
… | …110001010011001 |
3 | 220001101011010111 |
4 | 110210132022121 |
5 | 1201321330144 |
6 | 54124444321 |
7 | 11360226112 |
oct | 2444361231 |
9 | 801334114 |
10 | 345105049 |
11 | 167891593 |
12 | 976a96a1 |
13 | 56661193 |
14 | 33b95209 |
15 | 2046d534 |
hex | 1491e299 |
345105049 has 8 divisors (see below), whose sum is σ = 365637888. Its totient is φ = 324598080.
The previous prime is 345105043. The next prime is 345105053. The reversal of 345105049 is 940501543.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 345105049 - 223 = 336716441 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 345105049.
It is not an unprimeable number, because it can be changed into a prime (345105043) 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 7 ways as a sum of consecutive naturals, for example, 25584 + ... + 36670.
It is an arithmetic number, because the mean of its divisors is an integer number (45704736).
Almost surely, 2345105049 is an apocalyptic number.
It is an amenable number.
345105049 is a deficient number, since it is larger than the sum of its proper divisors (20532839).
345105049 is a wasteful number, since it uses less digits than its factorization.
345105049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12935.
The product of its (nonzero) digits is 10800, while the sum is 31.
The square root of 345105049 is about 18577.0032298000. The cubic root of 345105049 is about 701.4290865821.
The spelling of 345105049 in words is "three hundred forty-five million, one hundred five thousand, forty-nine".
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