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982945 = 5732693
BaseRepresentation
bin11101111111110100001
31211221100101
43233332201
5222423240
633022401
711232505
oct3577641
91757311
10982945
11611557
123b4a01
13285532
141b8305
1514639a
hexeffa1

982945 has 8 divisors (see below), whose sum is σ = 1196136. Its totient is φ = 775296.

The previous prime is 982939. The next prime is 982967. The reversal of 982945 is 549289.

It can be written as a sum of positive squares in 4 ways, for example, as 91809 + 891136 = 303^2 + 944^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 982945 - 211 = 980897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982 + ... + 1711.

It is an arithmetic number, because the mean of its divisors is an integer number (149517).

2982945 is an apocalyptic number.

It is an amenable number.

982945 is a deficient number, since it is larger than the sum of its proper divisors (213191).

982945 is a wasteful number, since it uses less digits than its factorization.

982945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771.

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

The square root of 982945 is about 991.4358274745. The cubic root of 982945 is about 99.4282371024.

The spelling of 982945 in words is "nine hundred eighty-two thousand, nine hundred forty-five".

Divisors: 1 5 73 365 2693 13465 196589 982945