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2144929 = 19791429
BaseRepresentation
bin1000001011101010100001
311000222021211
420023222201
51022114204
6113550121
724142303
oct10135241
94028254
102144929
111235576
12875341
135a13b7
143db973
152c5804
hex20baa1

2144929 has 8 divisors (see below), whose sum is σ = 2288000. Its totient is φ = 2004912.

The previous prime is 2144899. The next prime is 2144951. The reversal of 2144929 is 9294412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2144929 - 25 = 2144897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144929.

It is not an unprimeable number, because it can be changed into a prime (2144999) 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, 787 + ... + 2215.

It is an arithmetic number, because the mean of its divisors is an integer number (286000).

22144929 is an apocalyptic number.

It is an amenable number.

2144929 is a deficient number, since it is larger than the sum of its proper divisors (143071).

2144929 is a wasteful number, since it uses less digits than its factorization.

2144929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527.

The product of its digits is 5184, while the sum is 31.

The square root of 2144929 is about 1464.5576123868. The cubic root of 2144929 is about 128.9647360694.

The spelling of 2144929 in words is "two million, one hundred forty-four thousand, nine hundred twenty-nine".

Divisors: 1 19 79 1429 1501 27151 112891 2144929