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2189274 = 23364879
BaseRepresentation
bin1000010110011111011010
311010020010020
420112133122
51030024044
6114531310
724415503
oct10263732
94106106
102189274
11126591a
12896b36
135b8639
1440dbaa
152d3a19
hex2167da

2189274 has 8 divisors (see below), whose sum is σ = 4378560. Its totient is φ = 729756.

The previous prime is 2189273. The next prime is 2189281. The reversal of 2189274 is 4729812.

It is a happy number.

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

2189274 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2189273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182434 + ... + 182445.

It is an arithmetic number, because the mean of its divisors is an integer number (547320).

22189274 is an apocalyptic number.

2189274 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.

2189274 is a wasteful number, since it uses less digits than its factorization.

2189274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364884.

The product of its digits is 8064, while the sum is 33.

The square root of 2189274 is about 1479.6195456941. The cubic root of 2189274 is about 129.8474344342.

The spelling of 2189274 in words is "two million, one hundred eighty-nine thousand, two hundred seventy-four".

Divisors: 1 2 3 6 364879 729758 1094637 2189274