Search a number
-
+
983140 = 22549157
BaseRepresentation
bin11110000000001100100
31211221121121
43300001210
5222430030
633023324
711233204
oct3600144
91757547
10983140
11611714
123b4b44
13285652
141b8404
1514647a
hexf0064

983140 has 12 divisors (see below), whose sum is σ = 2064636. Its totient is φ = 393248.

The previous prime is 983131. The next prime is 983141. The reversal of 983140 is 41389.

It can be written as a sum of positive squares in 2 ways, for example, as 473344 + 509796 = 688^2 + 714^2 .

It is not an unprimeable number, because it can be changed into a prime (983141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24559 + ... + 24598.

It is an arithmetic number, because the mean of its divisors is an integer number (172053).

2983140 is an apocalyptic number.

It is an amenable number.

983140 is an abundant number, since it is smaller than the sum of its proper divisors (1081496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

983140 is a wasteful number, since it uses less digits than its factorization.

983140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49166 (or 49164 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 983140 is about 991.5341648173. The cubic root of 983140 is about 99.4348116393.

It can be divided in two parts, 98 and 3140, that multiplied together give a triangular number (307720 = T784).

The spelling of 983140 in words is "nine hundred eighty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 49157 98314 196628 245785 491570 983140