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302422142 = 21119171971
BaseRepresentation
bin10010000001101…
…001100001111110
3210002001122012002
4102001221201332
51104410002032
650001542302
710331355131
oct2201514176
9702048162
10302422142
11145789260
1285344992
134a868419
142c244218
151b83b862
hex1206987e

302422142 has 16 divisors (see below), whose sum is σ = 497470464. Its totient is φ = 136743000.

The previous prime is 302422103. The next prime is 302422151. The reversal of 302422142 is 241224203.

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, 31784 + ... + 40187.

It is an arithmetic number, because the mean of its divisors is an integer number (31091904).

Almost surely, 2302422142 is an apocalyptic number.

302422142 is a deficient number, since it is larger than the sum of its proper divisors (195048322).

302422142 is a wasteful number, since it uses less digits than its factorization.

302422142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72175.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 302422142 is about 17390.2887267578. The cubic root of 302422142 is about 671.2297471311.

Adding to 302422142 its reverse (241224203), we get a palindrome (543646345).

The spelling of 302422142 in words is "three hundred two million, four hundred twenty-two thousand, one hundred forty-two".

Divisors: 1 2 11 22 191 382 2101 4202 71971 143942 791681 1583362 13746461 27492922 151211071 302422142