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306002052 = 22328500057
BaseRepresentation
bin10010001111010…
…011100010000100
3210022210111220100
4102033103202010
51111314031202
650210404100
710403655156
oct2217234204
9708714810
10306002052
11147803964
1286590630
134b51ca05
142c8d6ad6
151bce741c
hex123d3884

306002052 has 18 divisors (see below), whose sum is σ = 773505278. Its totient is φ = 102000672.

The previous prime is 306002041. The next prime is 306002077. The reversal of 306002052 is 250200603.

306002052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 277422336 + 28579716 = 16656^2 + 5346^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4249993 + ... + 4250064.

Almost surely, 2306002052 is an apocalyptic number.

It is an amenable number.

306002052 is an abundant number, since it is smaller than the sum of its proper divisors (467503226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306002052 is a wasteful number, since it uses less digits than its factorization.

306002052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500067 (or 8500062 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 306002052 is about 17492.9143369537. The cubic root of 306002052 is about 673.8679163668.

Adding to 306002052 its reverse (250200603), we get a palindrome (556202655).

The spelling of 306002052 in words is "three hundred six million, two thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 8500057 17000114 25500171 34000228 51000342 76500513 102000684 153001026 306002052