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20245112 = 239672617
BaseRepresentation
bin100110100111…
…0101001111000
31102002120001222
41031032221320
520140320422
62001531212
7334036436
oct115165170
942076058
1020245112
11104784a8
126943b08
13426ab74
14298dd56
151b9d842
hex134ea78

20245112 has 16 divisors (see below), whose sum is σ = 38013360. Its totient is φ = 10108224.

The previous prime is 20245081. The next prime is 20245123. The reversal of 20245112 is 21154202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6428 + ... + 9044.

It is an arithmetic number, because the mean of its divisors is an integer number (2375835).

Almost surely, 220245112 is an apocalyptic number.

It is an amenable number.

20245112 is a deficient number, since it is larger than the sum of its proper divisors (17768248).

20245112 is a wasteful number, since it uses less digits than its factorization.

20245112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590 (or 3586 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 20245112 is about 4499.4568561105. The cubic root of 20245112 is about 272.5461560848.

Adding to 20245112 its reverse (21154202), we get a palindrome (41399314).

The spelling of 20245112 in words is "twenty million, two hundred forty-five thousand, one hundred twelve".

Divisors: 1 2 4 8 967 1934 2617 3868 5234 7736 10468 20936 2530639 5061278 10122556 20245112