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2189346 = 23364891
BaseRepresentation
bin1000010110100000100010
311010020012220
420112200202
51030024341
6114531510
724415635
oct10264042
94106186
102189346
111265985
12896b96
135b8693
1440dc1c
152d3a66
hex216822

2189346 has 8 divisors (see below), whose sum is σ = 4378704. Its totient is φ = 729780.

The previous prime is 2189339. The next prime is 2189357. The reversal of 2189346 is 6439812.

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

2189346 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182440 + ... + 182451.

It is an arithmetic number, because the mean of its divisors is an integer number (547338).

22189346 is an apocalyptic number.

2189346 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.

2189346 is a wasteful number, since it uses less digits than its factorization.

2189346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364896.

The product of its digits is 10368, while the sum is 33.

The square root of 2189346 is about 1479.6438760729. The cubic root of 2189346 is about 129.8488578760.

The spelling of 2189346 in words is "two million, one hundred eighty-nine thousand, three hundred forty-six".

Divisors: 1 2 3 6 364891 729782 1094673 2189346