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3996189 = 33891663
BaseRepresentation
bin1111001111101000011101
321112000202000
433033220131
52010334224
6221352513
745652461
oct17175035
97460660
103996189
11228a43a
121408739
13a9bc12
147604a1
1553e0c9
hex3cfa1d

3996189 has 16 divisors (see below), whose sum is σ = 5990400. Its totient is φ = 2632608.

The previous prime is 3996151. The next prime is 3996193. The reversal of 3996189 is 9816993.

It is not a de Polignac number, because 3996189 - 28 = 3995933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572 + ... + 3234.

It is an arithmetic number, because the mean of its divisors is an integer number (374400).

Almost surely, 23996189 is an apocalyptic number.

It is an amenable number.

3996189 is a deficient number, since it is larger than the sum of its proper divisors (1994211).

3996189 is a wasteful number, since it uses less digits than its factorization.

3996189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1755 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 3996189 is about 1999.0470229587. The cubic root of 3996189 is about 158.6896759662.

The spelling of 3996189 in words is "three million, nine hundred ninety-six thousand, one hundred eighty-nine".

Divisors: 1 3 9 27 89 267 801 1663 2403 4989 14967 44901 148007 444021 1332063 3996189