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3990413 = 72313771
BaseRepresentation
bin1111001110001110001101
321111201211002
433032032031
52010143123
6221310045
745626600
oct17161615
97451732
103990413
112286069
121405325
13a993bb
1475c337
1553c528
hex3ce38d

3990413 has 24 divisors (see below), whose sum is σ = 4990464. Its totient is φ = 3175200.

The previous prime is 3990383. The next prime is 3990419. The reversal of 3990413 is 3140993.

It is not a de Polignac number, because 3990413 - 28 = 3990157 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990419) 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 23 ways as a sum of consecutive naturals, for example, 56168 + ... + 56238.

It is an arithmetic number, because the mean of its divisors is an integer number (207936).

Almost surely, 23990413 is an apocalyptic number.

It is an amenable number.

3990413 is a deficient number, since it is larger than the sum of its proper divisors (1000051).

3990413 is a wasteful number, since it uses less digits than its factorization.

3990413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 3990413 is about 1997.6018121738. The cubic root of 3990413 is about 158.6131836273.

The spelling of 3990413 in words is "three million, nine hundred ninety thousand, four hundred thirteen".

Divisors: 1 7 31 37 49 71 217 259 497 1147 1519 1813 2201 2627 3479 8029 15407 18389 56203 81437 107849 128723 570059 3990413