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306142202 = 2712155931
BaseRepresentation
bin10010001111110…
…101101111111010
3210100001122011002
4102033311233322
51111333022302
650213405002
710405110602
oct2217655772
9710048132
10306142202
1114789a193
1286639762
134b56b742
142c931c02
151bd23c02
hex123f5bfa

306142202 has 8 divisors (see below), whose sum is σ = 465681312. Its totient is φ = 150915100.

The previous prime is 306142201. The next prime is 306142223. The reversal of 306142202 is 202241603.

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

It is not an unprimeable number, because it can be changed into a prime (306142201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077824 + ... + 1078107.

It is an arithmetic number, because the mean of its divisors is an integer number (58210164).

Almost surely, 2306142202 is an apocalyptic number.

306142202 is a deficient number, since it is larger than the sum of its proper divisors (159539110).

306142202 is a wasteful number, since it uses less digits than its factorization.

306142202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156004.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 306142202 is about 17496.9197860652. The cubic root of 306142202 is about 673.9707786114.

Adding to 306142202 its reverse (202241603), we get a palindrome (508383805).

The spelling of 306142202 in words is "three hundred six million, one hundred forty-two thousand, two hundred two".

Divisors: 1 2 71 142 2155931 4311862 153071101 306142202