Base | Representation |
---|---|
bin | 101000111101011… |
… | …0111101111100001 |
3 | 10112210011002202111 |
4 | 1101322313233201 |
5 | 10303320342134 |
6 | 344213515321 |
7 | 46026045451 |
oct | 12172675741 |
9 | 3483132674 |
10 | 1374387169 |
11 | 645895471 |
12 | 324342b41 |
13 | 18b98165c |
14 | d0765d61 |
15 | 809d5c64 |
hex | 51eb7be1 |
1374387169 has 8 divisors (see below), whose sum is σ = 1422999720. Its totient is φ = 1325856000.
The previous prime is 1374387143. The next prime is 1374387187. The reversal of 1374387169 is 9617834731.
It can be written as a sum of positive squares in 4 ways, for example, as 6275025 + 1368112144 = 2505^2 + 36988^2 .
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 1374387169 - 213 = 1374378977 is a prime.
It is a super-2 number, since 2×13743871692 = 3777880180623669122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1374387769) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15099 + ... + 54559.
It is an arithmetic number, because the mean of its divisors is an integer number (177874965).
Almost surely, 21374387169 is an apocalyptic number.
It is an amenable number.
1374387169 is a deficient number, since it is larger than the sum of its proper divisors (48612551).
1374387169 is a wasteful number, since it uses less digits than its factorization.
1374387169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40691.
The product of its digits is 762048, while the sum is 49.
The square root of 1374387169 is about 37072.7281030139. The cubic root of 1374387169 is about 1111.8248178330.
The spelling of 1374387169 in words is "one billion, three hundred seventy-four million, three hundred eighty-seven thousand, one hundred sixty-nine".
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