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2144630 = 25214463
BaseRepresentation
bin1000001011100101110110
311000221212202
420023211312
51022112010
6113544502
724141365
oct10134566
94027782
102144630
111235324
12875132
135a1217
143db7dc
152c56a5
hex20b976

2144630 has 8 divisors (see below), whose sum is σ = 3860352. Its totient is φ = 857848.

The previous prime is 2144629. The next prime is 2144641. The reversal of 2144630 is 364412.

It is a happy number.

2144630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107222 + ... + 107241.

It is an arithmetic number, because the mean of its divisors is an integer number (482544).

22144630 is an apocalyptic number.

2144630 is a deficient number, since it is larger than the sum of its proper divisors (1715722).

2144630 is a wasteful number, since it uses less digits than its factorization.

2144630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214470.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2144630 is about 1464.4555302228. The cubic root of 2144630 is about 128.9587432917.

The spelling of 2144630 in words is "two million, one hundred forty-four thousand, six hundred thirty".

Divisors: 1 2 5 10 214463 428926 1072315 2144630