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3989711 = 11383947
BaseRepresentation
bin1111001110000011001111
321111200212002
433032003033
52010132321
6221302515
745624545
oct17160317
97450762
103989711
112285590
121404a3b
13a98c9b
1475bd95
1553c20b
hex3ce0cf

3989711 has 8 divisors (see below), whose sum is σ = 4368384. Its totient is φ = 3613720.

The previous prime is 3989701. The next prime is 3989723. The reversal of 3989711 is 1179893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3989711 - 210 = 3988687 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989701) 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 7 ways as a sum of consecutive naturals, for example, 3740 + ... + 4686.

It is an arithmetic number, because the mean of its divisors is an integer number (546048).

Almost surely, 23989711 is an apocalyptic number.

3989711 is a deficient number, since it is larger than the sum of its proper divisors (378673).

3989711 is a wasteful number, since it uses less digits than its factorization.

3989711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341.

The product of its digits is 13608, while the sum is 38.

The square root of 3989711 is about 1997.4260937517. The cubic root of 3989711 is about 158.6038819180.

The spelling of 3989711 in words is "three million, nine hundred eighty-nine thousand, seven hundred eleven".

Divisors: 1 11 383 947 4213 10417 362701 3989711