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300133985 = 5397151201
BaseRepresentation
bin10001111000111…
…010111001100001
3202220202101102112
4101320322321201
51103313241420
645440525105
710303045124
oct2170727141
9686671375
10300133985
11144466118
1284620795
134a246a98
142bc0a3bb
151b5388c5
hex11e3ae61

300133985 has 8 divisors (see below), whose sum is σ = 361070376. Its totient is φ = 239500800.

The previous prime is 300133961. The next prime is 300133987. The reversal of 300133985 is 589331003.

It can be written as a sum of positive squares in 4 ways, for example, as 13712209 + 286421776 = 3703^2 + 16924^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 300133985 - 26 = 300133921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (300133987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73616 + ... + 77585.

It is an arithmetic number, because the mean of its divisors is an integer number (45133797).

Almost surely, 2300133985 is an apocalyptic number.

It is an amenable number.

300133985 is a deficient number, since it is larger than the sum of its proper divisors (60936391).

300133985 is a wasteful number, since it uses less digits than its factorization.

300133985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151603.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 300133985 is about 17324.3754577185. The cubic root of 300133985 is about 669.5325952202.

Adding to 300133985 its reverse (589331003), we get a palindrome (889464988).

The spelling of 300133985 in words is "three hundred million, one hundred thirty-three thousand, nine hundred eighty-five".

Divisors: 1 5 397 1985 151201 756005 60026797 300133985