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306134893 = 59109181263
BaseRepresentation
bin10010001111110…
…011111101101101
3210100001021010101
4102033303331231
51111332304033
650213311101
710405050361
oct2217637555
9710037111
10306134893
11147894749
1286635491
134b56830c
142c92d2a1
151bd2197d
hex123f3f6d

306134893 has 16 divisors (see below), whose sum is σ = 317116800. Its totient is φ = 295410240.

The previous prime is 306134869. The next prime is 306134903. The reversal of 306134893 is 398431603.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-306134893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306134093) 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 15 ways as a sum of consecutive naturals, for example, 1163880 + ... + 1164142.

It is an arithmetic number, because the mean of its divisors is an integer number (19819800).

Almost surely, 2306134893 is an apocalyptic number.

It is an amenable number.

306134893 is a deficient number, since it is larger than the sum of its proper divisors (10981907).

306134893 is a wasteful number, since it uses less digits than its factorization.

306134893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 306134893 is about 17496.7109194843. The cubic root of 306134893 is about 673.9654149911.

The spelling of 306134893 in words is "three hundred six million, one hundred thirty-four thousand, eight hundred ninety-three".

Divisors: 1 59 109 181 263 6431 10679 15517 19729 28667 47603 1164011 1691353 2808577 5188727 306134893