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2212401 = 34117987
BaseRepresentation
bin1000011100001000110001
311011101211210
420130020301
51031244101
6115230333
724543102
oct10341061
94141753
102212401
111281234
128a83a9
135c6019
144183a9
152da7d6
hex21c231

2212401 has 8 divisors (see below), whose sum is σ = 3021984. Its totient is φ = 1438880.

The previous prime is 2212391. The next prime is 2212421. The reversal of 2212401 is 1042122.

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

It is a cyclic number.

It is not a de Polignac number, because 2212401 - 29 = 2211889 is a prime.

It is a Curzon number.

2212401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2212421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8871 + ... + 9116.

It is an arithmetic number, because the mean of its divisors is an integer number (377748).

22212401 is an apocalyptic number.

It is an amenable number.

2212401 is a deficient number, since it is larger than the sum of its proper divisors (809583).

2212401 is a wasteful number, since it uses less digits than its factorization.

2212401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18031.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2212401 is about 1487.4141992061. The cubic root of 2212401 is about 130.3030602056.

Adding to 2212401 its reverse (1042122), we get a palindrome (3254523).

The spelling of 2212401 in words is "two million, two hundred twelve thousand, four hundred one".

Divisors: 1 3 41 123 17987 53961 737467 2212401