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302433142 = 21113998899
BaseRepresentation
bin10010000001101…
…100001101110110
3210002002012021111
4102001230031312
51104410330032
650002105234
710331432164
oct2201541566
9702065244
10302433142
11145796550
128534b21a
134a87042b
142c248234
151b83ec47
hex1206c376

302433142 has 16 divisors (see below), whose sum is σ = 498456000. Its totient is φ = 136479240.

The previous prime is 302433137. The next prime is 302433151. The reversal of 302433142 is 241334203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 46392 + ... + 52507.

It is an arithmetic number, because the mean of its divisors is an integer number (31153500).

Almost surely, 2302433142 is an apocalyptic number.

302433142 is a deficient number, since it is larger than the sum of its proper divisors (196022858).

302433142 is a wasteful number, since it uses less digits than its factorization.

302433142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99051.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 302433142 is about 17390.6049923515. The cubic root of 302433142 is about 671.2378852452.

Adding to 302433142 its reverse (241334203), we get a palindrome (543767345).

The spelling of 302433142 in words is "three hundred two million, four hundred thirty-three thousand, one hundred forty-two".

Divisors: 1 2 11 22 139 278 1529 3058 98899 197798 1087889 2175778 13746961 27493922 151216571 302433142