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2223142 = 27315227
BaseRepresentation
bin1000011110110000100110
311011221120121
420132300212
51032120032
6115352154
724616315
oct10366046
94157517
102223142
111289309
128b265a
135cab8c
1441c27c
152dda97
hex21ec26

2223142 has 8 divisors (see below), whose sum is σ = 3380616. Its totient is φ = 1096272.

The previous prime is 2223119. The next prime is 2223149. The reversal of 2223142 is 2413222.

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 (2223149) 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, 7468 + ... + 7759.

It is an arithmetic number, because the mean of its divisors is an integer number (422577).

22223142 is an apocalyptic number.

2223142 is a deficient number, since it is larger than the sum of its proper divisors (1157474).

2223142 is a wasteful number, since it uses less digits than its factorization.

2223142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15302.

The product of its digits is 192, while the sum is 16.

The square root of 2223142 is about 1491.0204559294. The cubic root of 2223142 is about 130.5135895969.

Adding to 2223142 its reverse (2413222), we get a palindrome (4636364).

It can be divided in two parts, 222 and 3142, that added together give a square (3364 = 582).

The spelling of 2223142 in words is "two million, two hundred twenty-three thousand, one hundred forty-two".

Divisors: 1 2 73 146 15227 30454 1111571 2223142