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301020213 = 31367115201
BaseRepresentation
bin10001111100010…
…011010000110101
3202222102102002210
4101330103100311
51104030121323
645511524033
710313425644
oct2174232065
9688372083
10301020213
11144a10a3a
1284989619
134a497290
142bd9b35b
151b661293
hex11f13435

301020213 has 16 divisors (see below), whose sum is σ = 438689216. Its totient is φ = 182476800.

The previous prime is 301020193. The next prime is 301020227. The reversal of 301020213 is 312020103.

It is a happy number.

It is not a de Polignac number, because 301020213 - 26 = 301020149 is a prime.

It is a super-2 number, since 2×3010202132 = 181226337269130738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301020263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54988 + ... + 60213.

It is an arithmetic number, because the mean of its divisors is an integer number (27418076).

Almost surely, 2301020213 is an apocalyptic number.

It is an amenable number.

301020213 is a deficient number, since it is larger than the sum of its proper divisors (137669003).

301020213 is a wasteful number, since it uses less digits than its factorization.

301020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115284.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 301020213 is about 17349.9340920938. The cubic root of 301020213 is about 670.1909406043.

Adding to 301020213 its reverse (312020103), we get a palindrome (613040316).

The spelling of 301020213 in words is "three hundred one million, twenty thousand, two hundred thirteen".

Divisors: 1 3 13 39 67 201 871 2613 115201 345603 1497613 4492839 7718467 23155401 100340071 301020213