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2212142 = 21765063
BaseRepresentation
bin1000011100000100101110
311011101111012
420130010232
51031242032
6115225222
724542252
oct10340456
94141435
102212142
111281019
128a8212
135c5b7a
14418262
152da6b2
hex21c12e

2212142 has 8 divisors (see below), whose sum is σ = 3513456. Its totient is φ = 1040992.

The previous prime is 2212141. The next prime is 2212153. The reversal of 2212142 is 2412122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212141) 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, 32498 + ... + 32565.

It is an arithmetic number, because the mean of its divisors is an integer number (439182).

22212142 is an apocalyptic number.

2212142 is a deficient number, since it is larger than the sum of its proper divisors (1301314).

2212142 is a wasteful number, since it uses less digits than its factorization.

2212142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65082.

The product of its digits is 64, while the sum is 14.

The square root of 2212142 is about 1487.3271328124. The cubic root of 2212142 is about 130.2979752610.

Adding to 2212142 its reverse (2412122), we get a palindrome (4624264).

The spelling of 2212142 in words is "two million, two hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 17 34 65063 130126 1106071 2212142