Base | Representation |
---|---|
bin | 101000001101110… |
… | …1000000100101001 |
3 | 10111001011121021210 |
4 | 1100123220010221 |
5 | 10230422404210 |
6 | 341522423333 |
7 | 45303606033 |
oct | 12033500451 |
9 | 3431147253 |
10 | 1349419305 |
11 | 632791773 |
12 | 317b01b49 |
13 | 18674bc80 |
14 | cb306c53 |
15 | 7d702e20 |
hex | 506e8129 |
1349419305 has 32 divisors (see below), whose sum is σ = 2400168960. Its totient is φ = 642896640.
The previous prime is 1349419301. The next prime is 1349419307. The reversal of 1349419305 is 5039149431.
It is a happy number.
It is not a de Polignac number, because 1349419305 - 22 = 1349419301 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (1349419301) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105570 + ... + 117659.
It is an arithmetic number, because the mean of its divisors is an integer number (75005280).
Almost surely, 21349419305 is an apocalyptic number.
1349419305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1349419305 is a deficient number, since it is larger than the sum of its proper divisors (1050749655).
1349419305 is a wasteful number, since it uses less digits than its factorization.
1349419305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223281.
The product of its (nonzero) digits is 58320, while the sum is 39.
The square root of 1349419305 is about 36734.4430337524. The cubic root of 1349419305 is about 1105.0509602973.
The spelling of 1349419305 in words is "one billion, three hundred forty-nine million, four hundred nineteen thousand, three hundred five".
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