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495968869 = 1145088079
BaseRepresentation
bin11101100011111…
…110001001100101
31021120020211101101
4131203332021211
52003432000434
6121114200101
715201444244
oct3543761145
91246224341
10495968869
11234a63830
1211a123031
137b9a3306
1449c2695b
152d81db14
hex1d8fe265

495968869 has 4 divisors (see below), whose sum is σ = 541056960. Its totient is φ = 450880780.

The previous prime is 495968843. The next prime is 495968903. The reversal of 495968869 is 968869594.

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 495968869 - 213 = 495960677 is a prime.

It is a super-2 number, since 2×4959688692 = 491970238034278322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 495968869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495968069) 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, 22544029 + ... + 22544050.

It is an arithmetic number, because the mean of its divisors is an integer number (135264240).

Almost surely, 2495968869 is an apocalyptic number.

It is an amenable number.

495968869 is a deficient number, since it is larger than the sum of its proper divisors (45088091).

495968869 is a wasteful number, since it uses less digits than its factorization.

495968869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45088090.

The product of its digits is 33592320, while the sum is 64.

The square root of 495968869 is about 22270.3585287709. The cubic root of 495968869 is about 791.5617606859.

The spelling of 495968869 in words is "four hundred ninety-five million, nine hundred sixty-eight thousand, eight hundred sixty-nine".

Divisors: 1 11 45088079 495968869