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300203140 = 22515010157
BaseRepresentation
bin10001111001001…
…011110010000100
3202220212220021211
4101321023302010
51103323000030
645442221204
710303453546
oct2171136204
9686786254
10300203140
11144503076
1284654804
134a26c3c3
142bc27696
151b54e12a
hex11e4bc84

300203140 has 12 divisors (see below), whose sum is σ = 630426636. Its totient is φ = 120081248.

The previous prime is 300203117. The next prime is 300203177. The reversal of 300203140 is 41302003.

It can be written as a sum of positive squares in 2 ways, for example, as 179774464 + 120428676 = 13408^2 + 10974^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 300203140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7505059 + ... + 7505098.

It is an arithmetic number, because the mean of its divisors is an integer number (52535553).

Almost surely, 2300203140 is an apocalyptic number.

It is an amenable number.

300203140 is an abundant number, since it is smaller than the sum of its proper divisors (330223496).

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

300203140 is a wasteful number, since it uses less digits than its factorization.

300203140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15010166 (or 15010164 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 300203140 is about 17326.3712300066. The cubic root of 300203140 is about 669.5840144454.

Adding to 300203140 its reverse (41302003), we get a palindrome (341505143).

The spelling of 300203140 in words is "three hundred million, two hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 15010157 30020314 60040628 75050785 150101570 300203140