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630085 = 5235479
BaseRepresentation
bin10011001110101000101
31012000022111
42121311011
5130130320
621301021
75232661
oct2316505
91160274
10630085
113a0435
12264771
13190a41
141258a1
15c6a5a
hex99d45

630085 has 8 divisors (see below), whose sum is σ = 789120. Its totient is φ = 482064.

The previous prime is 630067. The next prime is 630101. The reversal of 630085 is 580036.

630085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 630085 - 211 = 628037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2625 + ... + 2854.

It is an arithmetic number, because the mean of its divisors is an integer number (98640).

2630085 is an apocalyptic number.

It is an amenable number.

630085 is a deficient number, since it is larger than the sum of its proper divisors (159035).

630085 is a wasteful number, since it uses less digits than its factorization.

630085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 630085 is about 793.7789364804. The cubic root of 630085 is about 85.7300440604.

Adding to 630085 its reverse (580036), we get a palindrome (1210121).

The spelling of 630085 in words is "six hundred thirty thousand, eighty-five".

Divisors: 1 5 23 115 5479 27395 126017 630085