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301112109 = 32171968053
BaseRepresentation
bin10001111100101…
…001101100101101
3202222121002011100
4101330221230231
51104041041414
645513513313
710314260604
oct2174515455
9688532140
10301112109
11144a73a91
1284a12839
134a4ca05c
142bdc2a3b
151b67d609
hex11f29b2d

301112109 has 12 divisors (see below), whose sum is σ = 460524636. Its totient is φ = 188932992.

The previous prime is 301112099. The next prime is 301112129. The reversal of 301112109 is 901211103.

It can be written as a sum of positive squares in 2 ways, for example, as 247968009 + 53144100 = 15747^2 + 7290^2 .

It is not a de Polignac number, because 301112109 - 24 = 301112093 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 301112091 and 301112100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301112129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 983874 + ... + 984179.

It is an arithmetic number, because the mean of its divisors is an integer number (38377053).

Almost surely, 2301112109 is an apocalyptic number.

It is an amenable number.

301112109 is a deficient number, since it is larger than the sum of its proper divisors (159412527).

301112109 is a wasteful number, since it uses less digits than its factorization.

301112109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968076 (or 1968073 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 301112109 is about 17352.5821997765. The cubic root of 301112109 is about 670.2591327033.

The spelling of 301112109 in words is "three hundred one million, one hundred twelve thousand, one hundred nine".

Divisors: 1 3 9 17 51 153 1968053 5904159 17712477 33456901 100370703 301112109