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2215146 = 23369191
BaseRepresentation
bin1000011100110011101010
311011112121110
420130303222
51031341041
6115251150
724554103
oct10346352
94145543
102215146
1112832aa
128a9ab6
135c734b
144193aa
152db516
hex21ccea

2215146 has 8 divisors (see below), whose sum is σ = 4430304. Its totient is φ = 738380.

The previous prime is 2215141. The next prime is 2215159. The reversal of 2215146 is 6415122.

2215146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2215146 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2215141) 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 in 3 ways as a sum of consecutive naturals, for example, 184590 + ... + 184601.

It is an arithmetic number, because the mean of its divisors is an integer number (553788).

22215146 is an apocalyptic number.

2215146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2215146 is a wasteful number, since it uses less digits than its factorization.

2215146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369196.

The product of its digits is 480, while the sum is 21.

The square root of 2215146 is about 1488.3366554648. The cubic root of 2215146 is about 130.3569283897.

The spelling of 2215146 in words is "two million, two hundred fifteen thousand, one hundred forty-six".

Divisors: 1 2 3 6 369191 738382 1107573 2215146