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20243044 = 22291091601
BaseRepresentation
bin100110100111…
…0001001100100
31102002110020101
41031032021210
520140234134
62001513444
7334030423
oct115161144
942073211
1020243044
1110476998
126942884
134269c43
14298d2ba
151b9ce14
hex134e264

20243044 has 24 divisors (see below), whose sum is σ = 37006200. Its totient is φ = 9676800.

The previous prime is 20243029. The next prime is 20243063. The reversal of 20243044 is 44034202.

It can be written as a sum of positive squares in 4 ways, for example, as 11902500 + 8340544 = 3450^2 + 2888^2 .

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 7 ways as a sum of consecutive naturals, for example, 11844 + ... + 13444.

It is an arithmetic number, because the mean of its divisors is an integer number (1541925).

Almost surely, 220243044 is an apocalyptic number.

It is an amenable number.

20243044 is a deficient number, since it is larger than the sum of its proper divisors (16763156).

20243044 is a wasteful number, since it uses less digits than its factorization.

20243044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743 (or 1741 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 20243044 is about 4499.2270447267. The cubic root of 20243044 is about 272.5368757436.

Adding to 20243044 its reverse (44034202), we get a palindrome (64277246).

The spelling of 20243044 in words is "twenty million, two hundred forty-three thousand, forty-four".

Divisors: 1 2 4 29 58 109 116 218 436 1601 3161 3202 6322 6404 12644 46429 92858 174509 185716 349018 698036 5060761 10121522 20243044