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30342130 = 2571333343
BaseRepresentation
bin111001110111…
…1101111110010
32010002112120121
41303233233302
530231422010
63002200454
7515622010
oct163575762
963075517
1030342130
1116144545
12a1b312a
136394930
14405b8b0
1529e53da
hex1cefbf2

30342130 has 32 divisors (see below), whose sum is σ = 67221504. Its totient is φ = 9602496.

The previous prime is 30342121. The next prime is 30342139. The reversal of 30342130 is 3124303.

It is an interprime number because it is at equal distance from previous prime (30342121) and next prime (30342139).

It is not an unprimeable number, because it can be changed into a prime (30342139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15762 + ... + 17581.

It is an arithmetic number, because the mean of its divisors is an integer number (2100672).

Almost surely, 230342130 is an apocalyptic number.

30342130 is an abundant number, since it is smaller than the sum of its proper divisors (36879374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30342130 is a wasteful number, since it uses less digits than its factorization.

30342130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33370.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30342130 is about 5508.3690871255. The cubic root of 30342130 is about 311.8999857493.

Adding to 30342130 its reverse (3124303), we get a palindrome (33466433).

The spelling of 30342130 in words is "thirty million, three hundred forty-two thousand, one hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 33343 66686 166715 233401 333430 433459 466802 866918 1167005 2167295 2334010 3034213 4334590 6068426 15171065 30342130