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495579253 = 1338121481
BaseRepresentation
bin11101100010011…
…111000001110101
31021112112000221011
4131202133001311
52003332014003
6121101552221
715165232321
oct3542370165
91245460834
10495579253
11234818034
12119b75671
137b897b80
1449b64981
152d79346d
hex1d89f075

495579253 has 4 divisors (see below), whose sum is σ = 533700748. Its totient is φ = 457457760.

The previous prime is 495579251. The next prime is 495579269. The reversal of 495579253 is 352975594.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 293882449 + 201696804 = 17143^2 + 14202^2 .

It is a cyclic number.

It is not a de Polignac number, because 495579253 - 21 = 495579251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 495579197 and 495579206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495579251) 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, 19060728 + ... + 19060753.

It is an arithmetic number, because the mean of its divisors is an integer number (133425187).

Almost surely, 2495579253 is an apocalyptic number.

It is an amenable number.

495579253 is a deficient number, since it is larger than the sum of its proper divisors (38121495).

495579253 is a wasteful number, since it uses less digits than its factorization.

495579253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38121494.

The product of its digits is 1701000, while the sum is 49.

The square root of 495579253 is about 22261.6093982443. The cubic root of 495579253 is about 791.3544318668.

The spelling of 495579253 in words is "four hundred ninety-five million, five hundred seventy-nine thousand, two hundred fifty-three".

Divisors: 1 13 38121481 495579253