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895443493 = 7218274357
BaseRepresentation
bin110101010111110…
…110001000100101
32022101221020112211
4311113312020211
53313213142433
6224504243421
731122100300
oct6527661045
92271836484
10895443493
1141a4aaa4a
1220ba70571
1311368c729
1486cd1b37
155392b8cd
hex355f6225

895443493 has 6 divisors (see below), whose sum is σ = 1041638406. Its totient is φ = 767522952.

The previous prime is 895443487. The next prime is 895443503. The reversal of 895443493 is 394344598.

It can be written as a sum of positive squares in only one way, i.e., 750650404 + 144793089 = 27398^2 + 12033^2 .

It is not a de Polignac number, because 895443493 - 229 = 358572581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 18274357 = 895443493 / (8 + 9 + 5 + 4 + 4 + 3 + 4 + 9 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (895443443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9137130 + ... + 9137227.

It is an arithmetic number, because the mean of its divisors is an integer number (173606401).

Almost surely, 2895443493 is an apocalyptic number.

It is an amenable number.

895443493 is a deficient number, since it is larger than the sum of its proper divisors (146194913).

895443493 is a wasteful number, since it uses less digits than its factorization.

895443493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18274371 (or 18274364 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The square root of 895443493 is about 29923.9618533375. The cubic root of 895443493 is about 963.8572719166.

The spelling of 895443493 in words is "eight hundred ninety-five million, four hundred forty-three thousand, four hundred ninety-three".

Divisors: 1 7 49 18274357 127920499 895443493