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495543243 = 31312706237
BaseRepresentation
bin11101100010010…
…110001111001011
31021112110012112110
4131202112033023
52003324340433
6121101113403
715165022326
oct3542261713
91245405473
10495543243
112347a2a78
12119b58863
137b884670
1449b557bd
152d787963
hex1d8963cb

495543243 has 8 divisors (see below), whose sum is σ = 711549328. Its totient is φ = 304949664.

The previous prime is 495543239. The next prime is 495543253. The reversal of 495543243 is 342345594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 495543243 - 22 = 495543239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 12706237 = 495543243 / (4 + 9 + 5 + 5 + 4 + 3 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495543203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6353080 + ... + 6353157.

It is an arithmetic number, because the mean of its divisors is an integer number (88943666).

Almost surely, 2495543243 is an apocalyptic number.

495543243 is a deficient number, since it is larger than the sum of its proper divisors (216006085).

495543243 is a wasteful number, since it uses less digits than its factorization.

495543243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12706253.

The product of its digits is 259200, while the sum is 39.

The square root of 495543243 is about 22260.8005920722. The cubic root of 495543243 is about 791.3352641534.

The spelling of 495543243 in words is "four hundred ninety-five million, five hundred forty-three thousand, two hundred forty-three".

Divisors: 1 3 13 39 12706237 38118711 165181081 495543243