Search a number
-
+
982972 = 22397619
BaseRepresentation
bin11101111111110111100
31211221101101
43233332330
5222423342
633022444
711232544
oct3577674
91757341
10982972
11611581
123b4a24
13285553
141b8324
151463b7
hexeffbc

982972 has 12 divisors (see below), whose sum is σ = 1727320. Its totient is φ = 489456.

The previous prime is 982967. The next prime is 982973. The reversal of 982972 is 279289.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982973) by changing a digit.

982972 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 in 3 ways as a sum of consecutive naturals, for example, 1279 + ... + 1897.

2982972 is an apocalyptic number.

It is an amenable number.

982972 is a deficient number, since it is larger than the sum of its proper divisors (744348).

982972 is a wasteful number, since it uses less digits than its factorization.

982972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020 (or 1018 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 982972 is about 991.4494439960. The cubic root of 982972 is about 99.4291474748.

The spelling of 982972 in words is "nine hundred eighty-two thousand, nine hundred seventy-two".

Divisors: 1 2 4 397 619 794 1238 1588 2476 245743 491486 982972