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2187082 = 21093541
BaseRepresentation
bin1000010101111101001010
311010010010001
420111331022
51024441312
6114513214
724406222
oct10257512
94103101
102187082
111264207
1289580a
135b7641
1440d082
152d3057
hex215f4a

2187082 has 4 divisors (see below), whose sum is σ = 3280626. Its totient is φ = 1093540.

The previous prime is 2187077. The next prime is 2187103. The reversal of 2187082 is 2807812.

2187082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 1640961 + 546121 = 1281^2 + 739^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2187082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546769 + ... + 546772.

22187082 is an apocalyptic number.

2187082 is a deficient number, since it is larger than the sum of its proper divisors (1093544).

2187082 is a wasteful number, since it uses less digits than its factorization.

2187082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093543.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 2187082 is about 1478.8786292323. The cubic root of 2187082 is about 129.8040835909.

It can be divided in two parts, 21870 and 82, that added together give a cube (21952 = 283).

The spelling of 2187082 in words is "two million, one hundred eighty-seven thousand, eighty-two".

Divisors: 1 2 1093541 2187082