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21032344 = 234164123
BaseRepresentation
bin101000000111…
…0110110011000
31110120112221201
41100032312120
520341013334
62030443544
7343525534
oct120166630
943515851
1021032344
1110965a03
1270635b4
134485298
142b16bc4
151ca6c14
hex140ed98

21032344 has 16 divisors (see below), whose sum is σ = 40398120. Its totient is φ = 10259520.

The previous prime is 21032339. The next prime is 21032357. The reversal of 21032344 is 44323012.

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, 31734 + ... + 32389.

Almost surely, 221032344 is an apocalyptic number.

It is an amenable number.

21032344 is a deficient number, since it is larger than the sum of its proper divisors (19365776).

21032344 is a wasteful number, since it uses less digits than its factorization.

21032344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64170 (or 64166 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 21032344 is about 4586.1033568815. The cubic root of 21032344 is about 276.0339872729.

Adding to 21032344 its reverse (44323012), we get a palindrome (65355356).

The spelling of 21032344 in words is "twenty-one million, thirty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 41 82 164 328 64123 128246 256492 512984 2629043 5258086 10516172 21032344