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630226 = 21392267
BaseRepresentation
bin10011001110111010010
31012000111201
42121313102
5130131401
621301414
75233252
oct2316722
91160451
10630226
113a0553
1226486a
13190b1c
14125962
15c6b01
hex99dd2

630226 has 8 divisors (see below), whose sum is σ = 952560. Its totient is φ = 312708.

The previous prime is 630197. The next prime is 630229. The reversal of 630226 is 622036.

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

It is a super-2 number, since 2×6302262 = 794369622152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (630229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856 + ... + 1411.

It is an arithmetic number, because the mean of its divisors is an integer number (119070).

2630226 is an apocalyptic number.

630226 is a deficient number, since it is larger than the sum of its proper divisors (322334).

630226 is a wasteful number, since it uses less digits than its factorization.

630226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 630226 is about 793.8677471720. The cubic root of 630226 is about 85.7364384541.

It can be divided in two parts, 6302 and 26, that added together give a triangular number (6328 = T112).

The spelling of 630226 in words is "six hundred thirty thousand, two hundred twenty-six".

Divisors: 1 2 139 278 2267 4534 315113 630226