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894442 = 2447221
BaseRepresentation
bin11011010010111101010
31200102221111
43122113222
5212110232
631100534
710413463
oct3322752
91612844
10894442
1156100a
1237174a
13254173
14193d6a
1512a047
hexda5ea

894442 has 4 divisors (see below), whose sum is σ = 1341666. Its totient is φ = 447220.

The previous prime is 894431. The next prime is 894449. The reversal of 894442 is 244498.

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

It can be written as a sum of positive squares in only one way, i.e., 772641 + 121801 = 879^2 + 349^2 .

It is not an unprimeable number, because it can be changed into a prime (894449) by changing a digit.

894442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223609 + ... + 223612.

2894442 is an apocalyptic number.

894442 is a deficient number, since it is larger than the sum of its proper divisors (447224).

894442 is a wasteful number, since it uses less digits than its factorization.

894442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447223.

The product of its digits is 9216, while the sum is 31.

The square root of 894442 is about 945.7494382763. The cubic root of 894442 is about 96.3497801474.

The spelling of 894442 in words is "eight hundred ninety-four thousand, four hundred forty-two".

Divisors: 1 2 447221 894442