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301021420 = 225714231511
BaseRepresentation
bin10001111100010…
…011100011101100
3202222102110202111
4101330103203230
51104030141140
645511533404
710313432320
oct2174234354
9688373674
10301021420
11144a11937
128498a264
134a4979ab
142bd9b980
151b6617ea
hex11f138ec

301021420 has 48 divisors (see below), whose sum is σ = 723437568. Its totient is φ = 103066560.

The previous prime is 301021393. The next prime is 301021429. The reversal of 301021420 is 24120103.

It is a super-2 number, since 2×3010214202 = 181227790597632800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 301021420.

It is not an unprimeable number, because it can be changed into a prime (301021429) 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, 198465 + ... + 199975.

It is an arithmetic number, because the mean of its divisors is an integer number (15071616).

Almost surely, 2301021420 is an apocalyptic number.

It is an amenable number.

301021420 is an abundant number, since it is smaller than the sum of its proper divisors (422416148).

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

301021420 is a wasteful number, since it uses less digits than its factorization.

301021420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950 (or 2948 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 301021420 is about 17349.9688760528. The cubic root of 301021420 is about 670.1918363574.

Adding to 301021420 its reverse (24120103), we get a palindrome (325141523).

The spelling of 301021420 in words is "three hundred one million, twenty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1423 1511 2846 3022 5692 6044 7115 7555 9961 10577 14230 15110 19922 21154 28460 30220 39844 42308 49805 52885 99610 105770 199220 211540 2150153 4300306 8600612 10750765 15051071 21501530 30102142 43003060 60204284 75255355 150510710 301021420