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634130 = 2579059
BaseRepresentation
bin10011010110100010010
31012012212022
42122310102
5130243010
621331442
75250530
oct2326422
91165768
10634130
113a3482
12266b82
13192833
14127150
15c7d55
hex9ad12

634130 has 16 divisors (see below), whose sum is σ = 1304640. Its totient is φ = 217392.

The previous prime is 634103. The next prime is 634141. The reversal of 634130 is 31436.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 634099 and 634108.

It is an unprimeable number.

634130 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 7 ways as a sum of consecutive naturals, for example, 4460 + ... + 4599.

It is an arithmetic number, because the mean of its divisors is an integer number (81540).

2634130 is an apocalyptic number.

634130 is an abundant number, since it is smaller than the sum of its proper divisors (670510).

It is a weird number, because it is abundant, but not a pseudoperfect number.

634130 is a wasteful number, since it uses less digits than its factorization.

634130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9073.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 634130 is about 796.3227988699. The cubic root of 634130 is about 85.9131085598.

Adding to 634130 its reverse (31436), we get a palindrome (665566).

The spelling of 634130 in words is "six hundred thirty-four thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 9059 18118 45295 63413 90590 126826 317065 634130