Search a number
-
+
981082 = 2490541
BaseRepresentation
bin11101111100001011010
31211211210101
43233201122
5222343312
633010014
711224204
oct3574132
91754711
10981082
11610113
123b390a
1328472b
141b7774
15145a57
hexef85a

981082 has 4 divisors (see below), whose sum is σ = 1471626. Its totient is φ = 490540.

The previous prime is 981077. The next prime is 981091. The reversal of 981082 is 280189.

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., 690561 + 290521 = 831^2 + 539^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 981082.

It is an unprimeable number.

981082 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, 245269 + ... + 245272.

2981082 is an apocalyptic number.

981082 is a deficient number, since it is larger than the sum of its proper divisors (490544).

981082 is a wasteful number, since it uses less digits than its factorization.

981082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490543.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 981082 is about 990.4958354279. The cubic root of 981082 is about 99.3653811082.

The spelling of 981082 in words is "nine hundred eighty-one thousand, eighty-two".

Divisors: 1 2 490541 981082