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30105282 = 2311034549
BaseRepresentation
bin111001011010…
…1111011000010
32002122111200110
41302311323002
530201332112
62553132150
7513614334
oct162657302
962574613
1030105282
1115aa25a9
12a0ba056
136310b9c
143dd9454
15299a13c
hex1cb5ec2

30105282 has 16 divisors (see below), whose sum is σ = 60278400. Its totient is φ = 10023792.

The previous prime is 30105209. The next prime is 30105307. The reversal of 30105282 is 28250103.

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, 4344 + ... + 8892.

It is an arithmetic number, because the mean of its divisors is an integer number (3767400).

Almost surely, 230105282 is an apocalyptic number.

30105282 is an abundant number, since it is smaller than the sum of its proper divisors (30173118).

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

30105282 is a wasteful number, since it uses less digits than its factorization.

30105282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 30105282 is about 5486.8280454193. The cubic root of 30105282 is about 311.0863102774.

Adding to 30105282 its reverse (28250103), we get a palindrome (58355385).

The spelling of 30105282 in words is "thirty million, one hundred five thousand, two hundred eighty-two".

Divisors: 1 2 3 6 1103 2206 3309 4549 6618 9098 13647 27294 5017547 10035094 15052641 30105282