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20375612 = 2240112703
BaseRepresentation
bin100110110111…
…0100000111100
31102100012002022
41031232200330
520204004422
62004415312
7335122055
oct115564074
942305068
1020375612
1110557554
1269a7538
1342b539a
1429c572c
151bc7342
hex136e83c

20375612 has 12 divisors (see below), whose sum is σ = 35749056. Its totient is φ = 10161600.

The previous prime is 20375573. The next prime is 20375627. The reversal of 20375612 is 21657302.

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, 4748 + ... + 7955.

It is an arithmetic number, because the mean of its divisors is an integer number (2979088).

Almost surely, 220375612 is an apocalyptic number.

It is an amenable number.

20375612 is a deficient number, since it is larger than the sum of its proper divisors (15373444).

20375612 is a wasteful number, since it uses less digits than its factorization.

20375612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13108 (or 13106 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 20375612 is about 4513.9353118980. The cubic root of 20375612 is about 273.1305131657.

The spelling of 20375612 in words is "twenty million, three hundred seventy-five thousand, six hundred twelve".

Divisors: 1 2 4 401 802 1604 12703 25406 50812 5093903 10187806 20375612