Search a number
-
+
4664987 = 171372003
BaseRepresentation
bin10001110010111010011011
322210000011022
4101302322123
52143234422
6243553055
754436355
oct21627233
98700138
104664987
1126a6968
12168b78b
13c74462
148960d5
15622342
hex472e9b

4664987 has 8 divisors (see below), whose sum is σ = 4977936. Its totient is φ = 4356352.

The previous prime is 4664977. The next prime is 4664993. The reversal of 4664987 is 7894664.

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

It is not a de Polignac number, because 4664987 - 24 = 4664971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4664917) 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, 1328 + ... + 3330.

It is an arithmetic number, because the mean of its divisors is an integer number (622242).

Almost surely, 24664987 is an apocalyptic number.

4664987 is a deficient number, since it is larger than the sum of its proper divisors (312949).

4664987 is a wasteful number, since it uses less digits than its factorization.

4664987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157.

The product of its digits is 290304, while the sum is 44.

The square root of 4664987 is about 2159.8580971906. The cubic root of 4664987 is about 167.0898795466.

The spelling of 4664987 in words is "four million, six hundred sixty-four thousand, nine hundred eighty-seven".

Divisors: 1 17 137 2003 2329 34051 274411 4664987