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630141 = 3297243
BaseRepresentation
bin10011001110101111101
31012000101120
42121311331
5130131031
621301153
75233101
oct2316575
91160346
10630141
113a0486
122647b9
13190a85
14125901
15c6a96
hex99d7d

630141 has 8 divisors (see below), whose sum is σ = 869280. Its totient is φ = 405552.

The previous prime is 630127. The next prime is 630151. The reversal of 630141 is 141036.

630141 is nontrivially palindromic in base 5.

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

It is not a de Polignac number, because 630141 - 211 = 628093 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 630141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630101) 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, 3535 + ... + 3708.

It is an arithmetic number, because the mean of its divisors is an integer number (108660).

2630141 is an apocalyptic number.

It is an amenable number.

630141 is a deficient number, since it is larger than the sum of its proper divisors (239139).

630141 is a wasteful number, since it uses less digits than its factorization.

630141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 630141 is about 793.8142100013. The cubic root of 630141 is about 85.7325837919.

Adding to 630141 its reverse (141036), we get a palindrome (771177).

The spelling of 630141 in words is "six hundred thirty thousand, one hundred forty-one".

Divisors: 1 3 29 87 7243 21729 210047 630141