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2144242 = 22274723
BaseRepresentation
bin1000001011011111110010
311000221100101
420023133302
51022103432
6113543014
724140302
oct10133762
94027311
102144242
111235001
12874a6a
135a0ca9
143db602
152c54e7
hex20b7f2

2144242 has 8 divisors (see below), whose sum is σ = 3231216. Its totient is φ = 1067172.

The previous prime is 2144213. The next prime is 2144243. The reversal of 2144242 is 2424412.

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

It is not an unprimeable number, because it can be changed into a prime (2144243) 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, 1908 + ... + 2815.

It is an arithmetic number, because the mean of its divisors is an integer number (403902).

22144242 is an apocalyptic number.

2144242 is a deficient number, since it is larger than the sum of its proper divisors (1086974).

2144242 is a wasteful number, since it uses less digits than its factorization.

2144242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952.

The product of its digits is 512, while the sum is 19.

The square root of 2144242 is about 1464.3230517888. The cubic root of 2144242 is about 128.9509658802.

Adding to 2144242 its reverse (2424412), we get a palindrome (4568654).

The spelling of 2144242 in words is "two million, one hundred forty-four thousand, two hundred forty-two".

Divisors: 1 2 227 454 4723 9446 1072121 2144242