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3989077 = 27714401
BaseRepresentation
bin1111001101111001010101
321111122222121
433031321111
52010122302
6221255541
745622651
oct17157125
97448877
103989077
112285064
1214045b1
13a98901
1475ba61
1553be37
hex3cde55

3989077 has 4 divisors (see below), whose sum is σ = 4003756. Its totient is φ = 3974400.

The previous prime is 3989057. The next prime is 3989093. The reversal of 3989077 is 7709893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7709893 = 21533581.

It can be written as a sum of positive squares in 2 ways, for example, as 2792241 + 1196836 = 1671^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 3989077 - 211 = 3987029 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 (3989057) 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, 6924 + ... + 7477.

It is an arithmetic number, because the mean of its divisors is an integer number (1000939).

Almost surely, 23989077 is an apocalyptic number.

It is an amenable number.

3989077 is a deficient number, since it is larger than the sum of its proper divisors (14679).

3989077 is a wasteful number, since it uses less digits than its factorization.

3989077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14678.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 3989077 is about 1997.2673832014. The cubic root of 3989077 is about 158.5954802912.

The spelling of 3989077 in words is "three million, nine hundred eighty-nine thousand, seventy-seven".

Divisors: 1 277 14401 3989077