Base | Representation |
---|---|
bin | 1001001100101111… |
… | …1110000001111001 |
3 | 20101002120221001222 |
4 | 2103023332001321 |
5 | 20024130412114 |
6 | 1045011321425 |
7 | 115123312055 |
oct | 22313760171 |
9 | 6332527058 |
10 | 2469388409 |
11 | 10579a6074 |
12 | 58abb0275 |
13 | 3047a1c97 |
14 | 195d62c65 |
15 | e6bd098e |
hex | 932fe079 |
2469388409 has 4 divisors (see below), whose sum is σ = 2599356240. Its totient is φ = 2339420580.
The previous prime is 2469388403. The next prime is 2469388417. The reversal of 2469388409 is 9048839642.
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 2469388409 - 220 = 2468339833 is a prime.
It is a super-2 number, since 2×24693884092 = 12195758229007102562, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2469388403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64983887 + ... + 64983924.
It is an arithmetic number, because the mean of its divisors is an integer number (649839060).
Almost surely, 22469388409 is an apocalyptic number.
It is an amenable number.
2469388409 is a deficient number, since it is larger than the sum of its proper divisors (129967831).
2469388409 is a wasteful number, since it uses less digits than its factorization.
2469388409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129967830.
The product of its (nonzero) digits is 2985984, while the sum is 53.
The square root of 2469388409 is about 49692.9412391740. The cubic root of 2469388409 is about 1351.6465340074.
The spelling of 2469388409 in words is "two billion, four hundred sixty-nine million, three hundred eighty-eight thousand, four hundred nine".
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