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895249 = 3128879
BaseRepresentation
bin11011010100100010001
31200111001101
43122210101
5212121444
631104401
710416025
oct3324421
91614041
10895249
11561683
12372101
13254644
14194385
1512a3d4
hexda911

895249 has 4 divisors (see below), whose sum is σ = 924160. Its totient is φ = 866340.

The previous prime is 895247. The next prime is 895253. The reversal of 895249 is 942598.

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, and also an emirpimes, since its reverse is a distinct semiprime: 942598 = 2471299.

It is a cyclic number.

It is not a de Polignac number, because 895249 - 21 = 895247 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (895241) 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, 14409 + ... + 14470.

It is an arithmetic number, because the mean of its divisors is an integer number (231040).

2895249 is an apocalyptic number.

It is an amenable number.

895249 is a deficient number, since it is larger than the sum of its proper divisors (28911).

895249 is a wasteful number, since it uses less digits than its factorization.

895249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28910.

The product of its digits is 25920, while the sum is 37.

The square root of 895249 is about 946.1759878585. The cubic root of 895249 is about 96.3787482638.

The spelling of 895249 in words is "eight hundred ninety-five thousand, two hundred forty-nine".

Divisors: 1 31 28879 895249