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20148112 = 245212417
BaseRepresentation
bin100110011011…
…0111110010000
31101220122000101
41030312332100
520124214422
61555502144
7333153565
oct114667620
941818011
1020148112
1110411636
1268b7954
13423597a
14296686c
151b7ec27
hex1336f90

20148112 has 20 divisors (see below), whose sum is σ = 39128076. Its totient is φ = 10050560.

The previous prime is 20148067. The next prime is 20148131. The reversal of 20148112 is 21184102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14017536 + 6130576 = 3744^2 + 2476^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20148112.

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, 7128 + ... + 9544.

Almost surely, 220148112 is an apocalyptic number.

It is an amenable number.

20148112 is a deficient number, since it is larger than the sum of its proper divisors (18979964).

20148112 is a wasteful number, since it uses less digits than its factorization.

20148112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946 (or 2940 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 20148112 is about 4488.6648348924. The cubic root of 20148112 is about 272.1101773951.

The spelling of 20148112 in words is "twenty million, one hundred forty-eight thousand, one hundred twelve".

Divisors: 1 2 4 8 16 521 1042 2084 2417 4168 4834 8336 9668 19336 38672 1259257 2518514 5037028 10074056 20148112