Search a number
-
+
4987869 = 33153633
BaseRepresentation
bin10011000001101111011101
3100101102001220
4103001233131
52234102434
6254523553
760252615
oct23015735
910342056
104987869
1128a7507
1218065b9
131058403
1493ba45
15687d49
hex4c1bdd

4987869 has 8 divisors (see below), whose sum is σ = 6865152. Its totient is φ = 3217920.

The previous prime is 4987867. The next prime is 4987877. The reversal of 4987869 is 9687894.

It is a happy number.

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

It is not a de Polignac number, because 4987869 - 21 = 4987867 is a prime.

It is a super-2 number, since 2×49878692 = 49757674322322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987867) 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, 26724 + ... + 26909.

It is an arithmetic number, because the mean of its divisors is an integer number (858144).

Almost surely, 24987869 is an apocalyptic number.

It is an amenable number.

4987869 is a deficient number, since it is larger than the sum of its proper divisors (1877283).

4987869 is a wasteful number, since it uses less digits than its factorization.

4987869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53667.

The product of its digits is 870912, while the sum is 51.

The square root of 4987869 is about 2233.3537561255. The cubic root of 4987869 is about 170.8591912210.

The spelling of 4987869 in words is "four million, nine hundred eighty-seven thousand, eight hundred sixty-nine".

Divisors: 1 3 31 93 53633 160899 1662623 4987869