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3713989 = 17832083
BaseRepresentation
bin1110001010101111000101
320222200122011
432022233011
51422321424
6211334221
743365646
oct16125705
96880564
103713989
112107414
1212b1371
13a00636
146c96cd
154d5694
hex38abc5

3713989 has 4 divisors (see below), whose sum is σ = 3717856. Its totient is φ = 3710124.

The previous prime is 3713929. The next prime is 3713993. The reversal of 3713989 is 9893173.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9893173 = 12777899.

It is a cyclic number.

It is not a de Polignac number, because 3713989 - 29 = 3713477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3713909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742 + ... + 2824.

It is an arithmetic number, because the mean of its divisors is an integer number (929464).

Almost surely, 23713989 is an apocalyptic number.

It is an amenable number.

3713989 is a deficient number, since it is larger than the sum of its proper divisors (3867).

3713989 is a wasteful number, since it uses less digits than its factorization.

3713989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866.

The product of its digits is 40824, while the sum is 40.

The square root of 3713989 is about 1927.1712430399. The cubic root of 3713989 is about 154.8627157648.

The spelling of 3713989 in words is "three million, seven hundred thirteen thousand, nine hundred eighty-nine".

Divisors: 1 1783 2083 3713989