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302244012 = 223272352147
BaseRepresentation
bin10010000000111…
…110000010101100
3210001201120211200
4102000332002230
51104333302022
645554045500
710330013610
oct2200760254
9701646750
10302244012
11145677444
1285279890
134a805315
142c1d9340
151b803bac
hex1203e0ac

302244012 has 72 divisors (see below), whose sum is σ = 911129856. Its totient is φ = 82599264.

The previous prime is 302243999. The next prime is 302244013. The reversal of 302244012 is 210442203.

It is a super-2 number, since 2×3022440122 = 182702885579712288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (302244013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20278 + ... + 31869.

Almost surely, 2302244012 is an apocalyptic number.

It is an amenable number.

302244012 is an abundant number, since it is smaller than the sum of its proper divisors (608885844).

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

302244012 is a wasteful number, since it uses less digits than its factorization.

302244012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52187 (or 52182 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 302244012 is about 17385.1664357866. The cubic root of 302244012 is about 671.0979339896.

Adding to 302244012 its reverse (210442203), we get a palindrome (512686215).

The spelling of 302244012 in words is "three hundred two million, two hundred forty-four thousand, twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 23 28 36 42 46 63 69 84 92 126 138 161 207 252 276 322 414 483 644 828 966 1449 1932 2898 5796 52147 104294 156441 208588 312882 365029 469323 625764 730058 938646 1095087 1199381 1460116 1877292 2190174 2398762 3285261 3598143 4380348 4797524 6570522 7196286 8395667 10794429 13141044 14392572 16791334 21588858 25187001 33582668 43177716 50374002 75561003 100748004 151122006 302244012