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301220212 = 221726316843
BaseRepresentation
bin10001111101000…
…100000101110100
3202222210120110011
4101331010011310
51104103021322
645520110004
710315221016
oct2175040564
9688716404
10301220212
11145038227
1284a65304
134a537317
142c0101b6
151b6a0677
hex11f44174

301220212 has 24 divisors (see below), whose sum is σ = 560298816. Its totient is φ = 141203328.

The previous prime is 301220209. The next prime is 301220237. The reversal of 301220212 is 212022103.

It is a super-2 number, since 2×3012202122 = 181467232234649888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 301220192 and 301220201.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9463 + ... + 26305.

It is an arithmetic number, because the mean of its divisors is an integer number (23345784).

Almost surely, 2301220212 is an apocalyptic number.

It is an amenable number.

301220212 is a deficient number, since it is larger than the sum of its proper divisors (259078604).

301220212 is a wasteful number, since it uses less digits than its factorization.

301220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17127 (or 17125 counting only the distinct ones).

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

The square root of 301220212 is about 17355.6968168956. The cubic root of 301220212 is about 670.3393335672.

Adding to 301220212 its reverse (212022103), we get a palindrome (513242315).

The spelling of 301220212 in words is "three hundred one million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 263 526 1052 4471 8942 16843 17884 33686 67372 286331 572662 1145324 4429709 8859418 17718836 75305053 150610106 301220212