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10981982 = 211499181
BaseRepresentation
bin101001111001…
…001001011110
3202122221110002
4221321021132
510302410412
61031214302
7162226304
oct51711136
922587402
1010981982
116220a20
123817392
13237681b
14165c274
15e6ddc2
hexa7925e

10981982 has 8 divisors (see below), whose sum is σ = 17970552. Its totient is φ = 4991800.

The previous prime is 10981969. The next prime is 10981987. The reversal of 10981982 is 28918901.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10981987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249569 + ... + 249612.

It is an arithmetic number, because the mean of its divisors is an integer number (2246319).

Almost surely, 210981982 is an apocalyptic number.

10981982 is a deficient number, since it is larger than the sum of its proper divisors (6988570).

10981982 is a wasteful number, since it uses less digits than its factorization.

10981982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499194.

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 10981982 is about 3313.9073614089. The cubic root of 10981982 is about 222.2765133832.

It can be divided in two parts, 109819 and 82, that added together give a palindrome (109901).

The spelling of 10981982 in words is "ten million, nine hundred eighty-one thousand, nine hundred eighty-two".

Divisors: 1 2 11 22 499181 998362 5490991 10981982