Base | Representation |
---|---|
bin | 101000001110111… |
… | …101111100001001 |
3 | 1202001011011212211 |
4 | 220032331330021 |
5 | 2340300343421 |
6 | 150551505121 |
7 | 22504340032 |
oct | 5016757411 |
9 | 1661134784 |
10 | 675012361 |
11 | 317032861 |
12 | 16a0881a1 |
13 | a9b009ca |
14 | 65911a89 |
15 | 3e3d89e1 |
hex | 283bdf09 |
675012361 has 3 divisors (see below), whose sum is σ = 675038343. Its totient is φ = 674986380.
The previous prime is 675012347. The next prime is 675012379. The reversal of 675012361 is 163210576.
The square root of 675012361 is 25981.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 361722361 + 313290000 = 19019^2 + 17700^2 .
It is not a de Polignac number, because 675012361 - 29 = 675011849 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (675012311) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12991 + ... + 38971.
It is an arithmetic number, because the mean of its divisors is an integer number (225012781).
Almost surely, 2675012361 is an apocalyptic number.
675012361 is the 25981-st square number.
675012361 is the 12991-st centered octagonal number.
It is an amenable number.
675012361 is a deficient number, since it is larger than the sum of its proper divisors (25982).
675012361 is an frugal number, since it uses more digits than its factorization.
675012361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51962 (or 25981 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 31.
The cubic root of 675012361 is about 877.2106760657.
The spelling of 675012361 in words is "six hundred seventy-five million, twelve thousand, three hundred sixty-one".
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