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2144522 = 21278443
BaseRepresentation
bin1000001011100100001010
311000221201202
420023210022
51022111042
6113544202
724141152
oct10134412
94027652
102144522
111235236
12875062
135a1163
143db762
152c5632
hex20b90a

2144522 has 8 divisors (see below), whose sum is σ = 3242496. Its totient is φ = 1063692.

The previous prime is 2144509. The next prime is 2144537. The reversal of 2144522 is 2254412.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2144494 and 2144503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3968 + ... + 4475.

It is an arithmetic number, because the mean of its divisors is an integer number (405312).

22144522 is an apocalyptic number.

2144522 is a deficient number, since it is larger than the sum of its proper divisors (1097974).

2144522 is a wasteful number, since it uses less digits than its factorization.

2144522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8572.

The product of its digits is 640, while the sum is 20.

The square root of 2144522 is about 1464.4186559861. The cubic root of 2144522 is about 128.9565785394.

Adding to 2144522 its reverse (2254412), we get a palindrome (4398934).

The spelling of 2144522 in words is "two million, one hundred forty-four thousand, five hundred twenty-two".

Divisors: 1 2 127 254 8443 16886 1072261 2144522