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3976749 = 33753397
BaseRepresentation
bin1111001010111000101101
321111001002000
433022320231
52004223444
6221122513
745542010
oct17127055
97431060
103976749
112276877
1213b9439
13a9310a
14757377
15538469
hex3cae2d

3976749 has 32 divisors (see below), whose sum is σ = 6877440. Its totient is φ = 2223936.

The previous prime is 3976733. The next prime is 3976783. The reversal of 3976749 is 9476793.

It is not a de Polignac number, because 3976749 - 24 = 3976733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3976849) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9819 + ... + 10215.

It is an arithmetic number, because the mean of its divisors is an integer number (214920).

Almost surely, 23976749 is an apocalyptic number.

It is an amenable number.

3976749 is a deficient number, since it is larger than the sum of its proper divisors (2900691).

3976749 is a wasteful number, since it uses less digits than its factorization.

3976749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 460 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 3976749 is about 1994.1787783446. The cubic root of 3976749 is about 158.4319351359.

The spelling of 3976749 in words is "three million, nine hundred seventy-six thousand, seven hundred forty-nine".

Divisors: 1 3 7 9 21 27 53 63 159 189 371 397 477 1113 1191 1431 2779 3339 3573 8337 10017 10719 21041 25011 63123 75033 147287 189369 441861 568107 1325583 3976749