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889906 = 2444953
BaseRepresentation
bin11011001010000110010
31200012201111
43121100302
5211434111
631023534
710364323
oct3312062
91605644
10889906
11558666
1236abaa
13252094
1419244a
15128a21
hexd9432

889906 has 4 divisors (see below), whose sum is σ = 1334862. Its totient is φ = 444952.

The previous prime is 889901. The next prime is 889907. The reversal of 889906 is 609988.

It is a happy number.

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., 455625 + 434281 = 675^2 + 659^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (889901) by changing a digit.

889906 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, 222475 + ... + 222478.

2889906 is an apocalyptic number.

889906 is a deficient number, since it is larger than the sum of its proper divisors (444956).

889906 is a wasteful number, since it uses less digits than its factorization.

889906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444955.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 889906 is about 943.3482919898. The cubic root of 889906 is about 96.1866305765.

The spelling of 889906 in words is "eight hundred eighty-nine thousand, nine hundred six".

Divisors: 1 2 444953 889906