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630146 = 21128643
BaseRepresentation
bin10011001110110000010
31012000101202
42121312002
5130131041
621301202
75233106
oct2316602
91160352
10630146
113a0490
12264802
13190a8a
14125906
15c6a9b
hex99d82

630146 has 8 divisors (see below), whose sum is σ = 1031184. Its totient is φ = 286420.

The previous prime is 630127. The next prime is 630151. The reversal of 630146 is 641036.

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

It is a Curzon number.

It is an unprimeable number.

630146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14300 + ... + 14343.

It is an arithmetic number, because the mean of its divisors is an integer number (128898).

2630146 is an apocalyptic number.

630146 is a deficient number, since it is larger than the sum of its proper divisors (401038).

630146 is a wasteful number, since it uses less digits than its factorization.

630146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28656.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 630146 is about 793.8173593466. The cubic root of 630146 is about 85.7328105463.

The spelling of 630146 in words is "six hundred thirty thousand, one hundred forty-six".

Divisors: 1 2 11 22 28643 57286 315073 630146