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2164982 = 21082491
BaseRepresentation
bin1000010000100011110110
311001222210112
420100203312
51023234412
6114223022
724254621
oct10204366
94058715
102164982
111249646
12884a72
135aa571
14404db8
152cb722
hex2108f6

2164982 has 4 divisors (see below), whose sum is σ = 3247476. Its totient is φ = 1082490.

The previous prime is 2164979. The next prime is 2164991. The reversal of 2164982 is 2894612.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 27 + 1 + 62 + 48 + 92 + 87 + 211 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541244 + ... + 541247.

It is an arithmetic number, because the mean of its divisors is an integer number (811869).

22164982 is an apocalyptic number.

2164982 is a deficient number, since it is larger than the sum of its proper divisors (1082494).

2164982 is a wasteful number, since it uses less digits than its factorization.

2164982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082493.

The product of its digits is 6912, while the sum is 32.

The square root of 2164982 is about 1471.3877802945. The cubic root of 2164982 is about 129.3653883654.

The spelling of 2164982 in words is "two million, one hundred sixty-four thousand, nine hundred eighty-two".

Divisors: 1 2 1082491 2164982