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300213121 = 1322118419
BaseRepresentation
bin10001111001001…
…110001110000001
3202220220101222111
4101321032032001
51103323304441
645442335321
710303524625
oct2171161601
9686811874
10300213121
1114450a61a
128465a541
134a273b00
142bc2b185
151b552081
hex11e4e381

300213121 has 12 divisors (see below), whose sum is σ = 326662320. Its totient is φ = 275773680.

The previous prime is 300213119. The next prime is 300213127. The reversal of 300213121 is 121312003.

It is not a de Polignac number, because 300213121 - 21 = 300213119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (300213127) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 31450 + ... + 39868.

It is an arithmetic number, because the mean of its divisors is an integer number (27221860).

Almost surely, 2300213121 is an apocalyptic number.

It is an amenable number.

300213121 is a deficient number, since it is larger than the sum of its proper divisors (26449199).

300213121 is a wasteful number, since it uses less digits than its factorization.

300213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8656 (or 8643 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 300213121 is about 17326.6592567638. The cubic root of 300213121 is about 669.5914350251.

Adding to 300213121 its reverse (121312003), we get a palindrome (421525124).

The spelling of 300213121 in words is "three hundred million, two hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 13 169 211 2743 8419 35659 109447 1422811 1776409 23093317 300213121