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21044102 = 2311312591
BaseRepresentation
bin101000001000…
…1101110000110
31110121011002012
41100101232012
520341402402
62031014222
7343605032
oct120215606
943534065
1021044102
1110973822
12706a372
13448a741
142b1b1c2
151caa452
hex1411b86

21044102 has 16 divisors (see below), whose sum is σ = 32845824. Its totient is φ = 10101000.

The previous prime is 21044081. The next prime is 21044117. The reversal of 21044102 is 20144012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6827 + ... + 9417.

It is an arithmetic number, because the mean of its divisors is an integer number (2052864).

Almost surely, 221044102 is an apocalyptic number.

21044102 is a deficient number, since it is larger than the sum of its proper divisors (11801722).

21044102 is a wasteful number, since it uses less digits than its factorization.

21044102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 21044102 is about 4587.3850939288. The cubic root of 21044102 is about 276.0854160469.

Adding to 21044102 its reverse (20144012), we get a palindrome (41188114).

The spelling of 21044102 in words is "twenty-one million, forty-four thousand, one hundred two".

Divisors: 1 2 31 62 131 262 2591 4061 5182 8122 80321 160642 339421 678842 10522051 21044102