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302146234 = 21311621009
BaseRepresentation
bin10010000000100…
…110001010111010
3210001112121201021
4102000212022322
51104322134414
645552013054
710326125545
oct2200461272
9701477637
10302146234
1114560aa35
128523118a
134a79c970
142c1b185c
151b7d4c24
hex120262ba

302146234 has 8 divisors (see below), whose sum is σ = 488082420. Its totient is φ = 139452096.

The previous prime is 302146231. The next prime is 302146283. The reversal of 302146234 is 432641203.

It can be written as a sum of positive squares in 2 ways, for example, as 297459009 + 4687225 = 17247^2 + 2165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 302146199 and 302146208.

It is not an unprimeable number, because it can be changed into a prime (302146231) 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 3 ways as a sum of consecutive naturals, for example, 5810479 + ... + 5810530.

Almost surely, 2302146234 is an apocalyptic number.

302146234 is a deficient number, since it is larger than the sum of its proper divisors (185936186).

302146234 is a wasteful number, since it uses less digits than its factorization.

302146234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11621024.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 302146234 is about 17382.3540983378. The cubic root of 302146234 is about 671.0255579309.

Adding to 302146234 its reverse (432641203), we get a palindrome (734787437).

The spelling of 302146234 in words is "three hundred two million, one hundred forty-six thousand, two hundred thirty-four".

Divisors: 1 2 13 26 11621009 23242018 151073117 302146234