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3922685 = 513292081
BaseRepresentation
bin1110111101101011111101
321101021220122
432331223331
52001011220
6220024325
745225254
oct16755375
97337818
103922685
11223a198
1213920a5
13a74620
1474179b
15527425
hex3bdafd

3922685 has 16 divisors (see below), whose sum is σ = 5246640. Its totient is φ = 2795520.

The previous prime is 3922657. The next prime is 3922691. The reversal of 3922685 is 5862293.

It can be written as a sum of positive squares in 8 ways, for example, as 376996 + 3545689 = 614^2 + 1883^2 .

It is not a de Polignac number, because 3922685 - 26 = 3922621 is a prime.

It is a d-powerful number, because it can be written as 39 + 95 + 210 + 216 + 68 + 87 + 54 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845 + ... + 2925.

It is an arithmetic number, because the mean of its divisors is an integer number (327915).

Almost surely, 23922685 is an apocalyptic number.

It is an amenable number.

3922685 is a deficient number, since it is larger than the sum of its proper divisors (1323955).

3922685 is a wasteful number, since it uses less digits than its factorization.

3922685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128.

The product of its digits is 25920, while the sum is 35.

The square root of 3922685 is about 1980.5769361476. The cubic root of 3922685 is about 157.7106947549.

The spelling of 3922685 in words is "three million, nine hundred twenty-two thousand, six hundred eighty-five".

Divisors: 1 5 13 29 65 145 377 1885 2081 10405 27053 60349 135265 301745 784537 3922685