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6149987 is a prime number
BaseRepresentation
bin10111011101011101100011
3102120110012022
4113131131203
53033244422
6335452055
7103162664
oct27353543
912513168
106149987
113520638
12208702b
13137435c
14b6136b
15817342
hex5dd763

6149987 has 2 divisors, whose sum is σ = 6149988. Its totient is φ = 6149986.

The previous prime is 6149981. The next prime is 6150007. The reversal of 6149987 is 7899416.

6149987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6149987 - 216 = 6084451 is a prime.

It is not a weakly prime, because it can be changed into another prime (6149981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3074993 + 3074994.

It is an arithmetic number, because the mean of its divisors is an integer number (3074994).

Almost surely, 26149987 is an apocalyptic number.

6149987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6149987 is an equidigital number, since it uses as much as digits as its factorization.

6149987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 6149987 is about 2479.9167324731. The cubic root of 6149987 is about 183.2137508509.

It can be divided in two parts, 614 and 9987, that added together give a palindrome (10601).

The spelling of 6149987 in words is "six million, one hundred forty-nine thousand, nine hundred eighty-seven".