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2144470 = 251311637
BaseRepresentation
bin1000001011100011010110
311000221122211
420023203112
51022110340
6113544034
724141046
oct10134326
94027584
102144470
111235199
1287501a
135a1123
143db726
152c55ea
hex20b8d6

2144470 has 16 divisors (see below), whose sum is σ = 3891888. Its totient is φ = 850720.

The previous prime is 2144459. The next prime is 2144477. The reversal of 2144470 is 744412.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144477) 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, 492 + ... + 2128.

It is an arithmetic number, because the mean of its divisors is an integer number (243243).

22144470 is an apocalyptic number.

2144470 is a deficient number, since it is larger than the sum of its proper divisors (1747418).

2144470 is a wasteful number, since it uses less digits than its factorization.

2144470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 2144470 is about 1464.4009013928. The cubic root of 2144470 is about 128.9555362254.

Adding to 2144470 its reverse (744412), we get a palindrome (2888882).

The spelling of 2144470 in words is "two million, one hundred forty-four thousand, four hundred seventy".

Divisors: 1 2 5 10 131 262 655 1310 1637 3274 8185 16370 214447 428894 1072235 2144470