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3749139 = 33191727
BaseRepresentation
bin1110010011010100010011
321001110212000
432103110103
51424433024
6212205043
743603302
oct16232423
97043760
103749139
112130869
121309783
13a13634
146d8439
154e0cc9
hex393513

3749139 has 16 divisors (see below), whose sum is σ = 5591040. Its totient is φ = 2482920.

The previous prime is 3749117. The next prime is 3749153. The reversal of 3749139 is 9319473.

3749139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3749139 - 28 = 3748883 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3749189) 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 15 ways as a sum of consecutive naturals, for example, 4794 + ... + 5520.

It is an arithmetic number, because the mean of its divisors is an integer number (349440).

Almost surely, 23749139 is an apocalyptic number.

3749139 is a deficient number, since it is larger than the sum of its proper divisors (1841901).

3749139 is a wasteful number, since it uses less digits than its factorization.

3749139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 921 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 3749139 is about 1936.2693510976. The cubic root of 3749139 is about 155.3497340445.

The spelling of 3749139 in words is "three million, seven hundred forty-nine thousand, one hundred thirty-nine".

Divisors: 1 3 9 27 191 573 727 1719 2181 5157 6543 19629 138857 416571 1249713 3749139