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2144030 = 257109281
BaseRepresentation
bin1000001011011100011110
311000221001112
420023130132
51022102110
6113542022
724136550
oct10133436
94027045
102144030
111234929
12874912
135a0b75
143db4d0
152c5405
hex20b71e

2144030 has 32 divisors (see below), whose sum is σ = 4466880. Its totient is φ = 725760.

The previous prime is 2144029. The next prime is 2144033. The reversal of 2144030 is 304412.

2144030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2143996 and 2144014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144033) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7490 + ... + 7770.

It is an arithmetic number, because the mean of its divisors is an integer number (139590).

22144030 is an apocalyptic number.

2144030 is an abundant number, since it is smaller than the sum of its proper divisors (2322850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144030 is a wasteful number, since it uses less digits than its factorization.

2144030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2144030 is about 1464.2506616014. The cubic root of 2144030 is about 128.9467159703.

Adding to 2144030 its reverse (304412), we get a palindrome (2448442).

The spelling of 2144030 in words is "two million, one hundred forty-four thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 109 218 281 545 562 763 1090 1405 1526 1967 2810 3815 3934 7630 9835 19670 30629 61258 153145 214403 306290 428806 1072015 2144030