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3149812 = 221634831
BaseRepresentation
bin1100000000111111110100
312221000201201
430000333310
51301243222
6151302244
735526061
oct14007764
95830651
103149812
111861556
12107a984
138638c3
145bdc68
15423427
hex300ff4

3149812 has 12 divisors (see below), whose sum is σ = 5547136. Its totient is φ = 1564920.

The previous prime is 3149807. The next prime is 3149813. The reversal of 3149812 is 2189413.

It is a happy number.

3149812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149813) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1764 + ... + 3067.

Almost surely, 23149812 is an apocalyptic number.

It is an amenable number.

3149812 is a deficient number, since it is larger than the sum of its proper divisors (2397324).

3149812 is a wasteful number, since it uses less digits than its factorization.

3149812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998 (or 4996 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 3149812 is about 1774.7709711397. The cubic root of 3149812 is about 146.5868045475.

The spelling of 3149812 in words is "three million, one hundred forty-nine thousand, eight hundred twelve".

Divisors: 1 2 4 163 326 652 4831 9662 19324 787453 1574906 3149812