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2152886 = 21076443
BaseRepresentation
bin1000001101100110110110
311001101012112
420031212312
51022343021
6114051022
724204431
oct10154666
94041175
102152886
11124054a
12879a72
135a4bc8
14400818
152c7d5b
hex20d9b6

2152886 has 4 divisors (see below), whose sum is σ = 3229332. Its totient is φ = 1076442.

The previous prime is 2152883. The next prime is 2152903. The reversal of 2152886 is 6882512.

2152886 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 is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152883) by changing a digit.

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, 538220 + ... + 538223.

It is an arithmetic number, because the mean of its divisors is an integer number (807333).

22152886 is an apocalyptic number.

2152886 is a deficient number, since it is larger than the sum of its proper divisors (1076446).

2152886 is a wasteful number, since it uses less digits than its factorization.

2152886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076445.

The product of its digits is 7680, while the sum is 32.

The square root of 2152886 is about 1467.2716176632. The cubic root of 2152886 is about 129.1240119071.

The spelling of 2152886 in words is "two million, one hundred fifty-two thousand, eight hundred eighty-six".

Divisors: 1 2 1076443 2152886