Base | Representation |
---|---|
bin | 1001101000000… |
… | …0010010101001 |
3 | 2210222002002220 |
4 | 2122000102221 |
5 | 40313340434 |
6 | 4001144253 |
7 | 1000102533 |
oct | 232002251 |
9 | 83862086 |
10 | 40371369 |
11 | 20874675 |
12 | 1162b089 |
13 | 84968ac |
14 | 550c853 |
15 | 3826d49 |
hex | 26804a9 |
40371369 has 4 divisors (see below), whose sum is σ = 53828496. Its totient is φ = 26914244.
The previous prime is 40371349. The next prime is 40371377. The reversal of 40371369 is 96317304.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 40371369 - 25 = 40371337 is a prime.
It is a super-2 number, since 2×403713692 = 3259694869868322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (40371349) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6728559 + ... + 6728564.
It is an arithmetic number, because the mean of its divisors is an integer number (13457124).
Almost surely, 240371369 is an apocalyptic number.
It is an amenable number.
40371369 is a deficient number, since it is larger than the sum of its proper divisors (13457127).
40371369 is a wasteful number, since it uses less digits than its factorization.
40371369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13457126.
The product of its (nonzero) digits is 13608, while the sum is 33.
The square root of 40371369 is about 6353.8467875768. The cubic root of 40371369 is about 343.0503174545.
The spelling of 40371369 in words is "forty million, three hundred seventy-one thousand, three hundred sixty-nine".
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