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2154044 = 22538511
BaseRepresentation
bin1000001101111000111100
311001102210102
420031320330
51022412134
6114100232
724211004
oct10157074
94042712
102154044
111241402
1287a678
135a55a9
14401004
152c837e
hex20de3c

2154044 has 6 divisors (see below), whose sum is σ = 3769584. Its totient is φ = 1077020.

The previous prime is 2154043. The next prime is 2154059. The reversal of 2154044 is 4404512.

2154044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154041) 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 as a sum of consecutive naturals, namely, 269252 + ... + 269259.

It is an arithmetic number, because the mean of its divisors is an integer number (628264).

22154044 is an apocalyptic number.

It is an amenable number.

2154044 is a deficient number, since it is larger than the sum of its proper divisors (1615540).

2154044 is a wasteful number, since it uses less digits than its factorization.

2154044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538515 (or 538513 counting only the distinct ones).

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

The square root of 2154044 is about 1467.6661745779. Note that the first 3 decimals coincide. The cubic root of 2154044 is about 129.1471589455.

Adding to 2154044 its reverse (4404512), we get a palindrome (6558556).

The spelling of 2154044 in words is "two million, one hundred fifty-four thousand, forty-four".

Divisors: 1 2 4 538511 1077022 2154044