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300142220 = 22572143873
BaseRepresentation
bin10001111000111…
…100111010001100
3202220202210201112
4101320330322030
51103314022340
645441031152
710303111130
oct2170747214
9686683645
10300142220
11144471324
12846254b8
134a24a761
142bc0d3c0
151b53b065
hex11e3ce8c

300142220 has 24 divisors (see below), whose sum is σ = 720341664. Its totient is φ = 102905856.

The previous prime is 300142211. The next prime is 300142231. The reversal of 300142220 is 22241003.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 300142195 and 300142204.

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, 1071797 + ... + 1072076.

It is an arithmetic number, because the mean of its divisors is an integer number (30014236).

Almost surely, 2300142220 is an apocalyptic number.

It is an amenable number.

300142220 is an abundant number, since it is smaller than the sum of its proper divisors (420199444).

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

300142220 is a wasteful number, since it uses less digits than its factorization.

300142220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143889 (or 2143887 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 300142220 is about 17324.6131269936. The cubic root of 300142220 is about 669.5387186525.

Adding to 300142220 its reverse (22241003), we get a palindrome (322383223).

The spelling of 300142220 in words is "three hundred million, one hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2143873 4287746 8575492 10719365 15007111 21438730 30014222 42877460 60028444 75035555 150071110 300142220