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30130 = 2523131
BaseRepresentation
bin111010110110010
31112022221
413112302
51431010
6351254
7153562
oct72662
945287
1030130
1120701
121552a
1310939
158dda
hex75b2

30130 has 16 divisors (see below), whose sum is σ = 57024. Its totient is φ = 11440.

The previous prime is 30119. The next prime is 30133. The reversal of 30130 is 3103.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30133) by changing a digit.

30130 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, 165 + ... + 295.

It is an arithmetic number, because the mean of its divisors is an integer number (3564).

230130 is an apocalyptic number.

30130 is a deficient number, since it is larger than the sum of its proper divisors (26894).

30130 is a wasteful number, since it uses less digits than its factorization.

30130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161.

The product of its (nonzero) digits is 9, while the sum is 7.

The square root of 30130 is about 173.5799527595. The cubic root of 30130 is about 31.1171426326.

Adding to 30130 its reverse (3103), we get a palindrome (33233).

The spelling of 30130 in words is "thirty thousand, one hundred thirty".