Search a number
-
+
630249 = 31911057
BaseRepresentation
bin10011001110111101001
31012000112120
42121313221
5130131444
621301453
75233314
oct2316751
91160476
10630249
113a0574
12264889
13190b39
1412597b
15c6b19
hex99de9

630249 has 8 divisors (see below), whose sum is σ = 884640. Its totient is φ = 398016.

The previous prime is 630247. The next prime is 630263. The reversal of 630249 is 942036.

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

It is not a de Polignac number, because 630249 - 21 = 630247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5472 + ... + 5585.

It is an arithmetic number, because the mean of its divisors is an integer number (110580).

2630249 is an apocalyptic number.

It is an amenable number.

630249 is a deficient number, since it is larger than the sum of its proper divisors (254391).

630249 is a wasteful number, since it uses less digits than its factorization.

630249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11079.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 630249 is about 793.8822330799. The cubic root of 630249 is about 85.7374814207.

The spelling of 630249 in words is "six hundred thirty thousand, two hundred forty-nine".

Divisors: 1 3 19 57 11057 33171 210083 630249