Base | Representation |
---|---|
bin | 101000000000100… |
… | …1000000111011101 |
3 | 10110120002200021222 |
4 | 1100001020013131 |
5 | 10222133111134 |
6 | 341113503125 |
7 | 45160554326 |
oct | 12001100735 |
9 | 3416080258 |
10 | 1342472669 |
11 | 62987764a |
12 | 315711aa5 |
13 | 185189135 |
14 | ca41944d |
15 | 7cccea2e |
hex | 500481dd |
1342472669 has 8 divisors (see below), whose sum is σ = 1414969560. Its totient is φ = 1271722816.
The previous prime is 1342472633. The next prime is 1342472713. The reversal of 1342472669 is 9662742431.
It can be written as a sum of positive squares in 4 ways, for example, as 366722500 + 975750169 = 19150^2 + 31237^2 .
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 1342472669 - 28 = 1342472413 is a prime.
It is a super-2 number, since 2×13424726692 = 3604465734023967122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1342472969) 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, 435182 + ... + 438255.
It is an arithmetic number, because the mean of its divisors is an integer number (176871195).
Almost surely, 21342472669 is an apocalyptic number.
It is an amenable number.
1342472669 is a deficient number, since it is larger than the sum of its proper divisors (72496891).
1342472669 is an equidigital number, since it uses as much as digits as its factorization.
1342472669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 873519.
The product of its digits is 435456, while the sum is 44.
The square root of 1342472669 is about 36639.7689539659. The cubic root of 1342472669 is about 1103.1514773358.
The spelling of 1342472669 in words is "one billion, three hundred forty-two million, four hundred seventy-two thousand, six hundred sixty-nine".
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