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302887442 = 211213432239
BaseRepresentation
bin10010000011011…
…011001000010010
3210002221021110102
4102003123020102
51110014344232
650015532402
710335333524
oct2203331022
9702837412
10302887442
11145a76900
128552a102
134a99c150
142c325a14
151b8ce662
hex120db212

302887442 has 48 divisors (see below), whose sum is σ = 550556160. Its totient is φ = 124074720.

The previous prime is 302887441. The next prime is 302887451. The reversal of 302887442 is 244788203.

It is a happy number.

302887442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 302887396 and 302887405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302887441) 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, 134159 + ... + 136397.

It is an arithmetic number, because the mean of its divisors is an integer number (11469920).

Almost surely, 2302887442 is an apocalyptic number.

302887442 is a deficient number, since it is larger than the sum of its proper divisors (247668718).

302887442 is a wasteful number, since it uses less digits than its factorization.

302887442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319 (or 2308 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 302887442 is about 17403.6617411394. The cubic root of 302887442 is about 671.5738171323.

The spelling of 302887442 in words is "three hundred two million, eight hundred eighty-seven thousand, four hundred forty-two".

Divisors: 1 2 11 13 22 26 43 86 121 143 242 286 473 559 946 1118 1573 2239 3146 4478 5203 6149 10406 12298 24629 29107 49258 58214 67639 96277 135278 192554 270919 320177 541838 640354 1059047 1251601 2118094 2503202 3521947 7043894 11649517 13767611 23299034 27535222 151443721 302887442