Search a number
-
+
3987107 is a prime number
BaseRepresentation
bin1111001101011010100011
321111120021122
433031122203
52010041412
6221242455
745614135
oct17153243
97446248
103987107
112283633
12140342b
13a97a47
1475b055
1553b572
hex3cd6a3

3987107 has 2 divisors, whose sum is σ = 3987108. Its totient is φ = 3987106.

The previous prime is 3987079. The next prime is 3987121. The reversal of 3987107 is 7017893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3987107 - 212 = 3983011 is a prime.

It is not a weakly prime, because it can be changed into another prime (3987167) 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 as a sum of consecutive naturals, namely, 1993553 + 1993554.

It is an arithmetic number, because the mean of its divisors is an integer number (1993554).

Almost surely, 23987107 is an apocalyptic number.

3987107 is a deficient number, since it is larger than the sum of its proper divisors (1).

3987107 is an equidigital number, since it uses as much as digits as its factorization.

3987107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 3987107 is about 1996.7741484705. The cubic root of 3987107 is about 158.5693686083.

The spelling of 3987107 in words is "three million, nine hundred eighty-seven thousand, one hundred seven".