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4136989 = 13730197
BaseRepresentation
bin1111110010000000011101
321210011212211
433302000131
52024340424
6224400421
750110123
oct17620035
97704784
104136989
1123761aa
121476111
13b1b02c
14799913
1556ab94
hex3f201d

4136989 has 4 divisors (see below), whose sum is σ = 4167324. Its totient is φ = 4106656.

The previous prime is 4136971. The next prime is 4136999. The reversal of 4136989 is 9896314.

4136989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1734489 + 2402500 = 1317^2 + 1550^2 .

It is a cyclic number.

It is not a de Polignac number, because 4136989 - 27 = 4136861 is a prime.

It is a super-2 number, since 2×41369892 = 34229355972242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4136939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14962 + ... + 15235.

It is an arithmetic number, because the mean of its divisors is an integer number (1041831).

Almost surely, 24136989 is an apocalyptic number.

It is an amenable number.

4136989 is a deficient number, since it is larger than the sum of its proper divisors (30335).

4136989 is a wasteful number, since it uses less digits than its factorization.

4136989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30334.

The product of its digits is 46656, while the sum is 40.

The square root of 4136989 is about 2033.9589474717. The cubic root of 4136989 is about 160.5319404735.

The spelling of 4136989 in words is "four million, one hundred thirty-six thousand, nine hundred eighty-nine".

Divisors: 1 137 30197 4136989