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304547013 = 3319956681
BaseRepresentation
bin10010001001110…
…000010011000101
3210020001120222000
4102021300103011
51110431001023
650115255513
710355415111
oct2211602305
9706046860
10304547013
111469aa751
1285baa599
134b130644
142c638741
151bb0b243
hex122704c5

304547013 has 16 divisors (see below), whose sum is σ = 453456000. Its totient is φ = 202007520.

The previous prime is 304547011. The next prime is 304547039. The reversal of 304547013 is 310745403.

It is not a de Polignac number, because 304547013 - 21 = 304547011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304547011) 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 15 ways as a sum of consecutive naturals, for example, 22968 + ... + 33713.

It is an arithmetic number, because the mean of its divisors is an integer number (28341000).

Almost surely, 2304547013 is an apocalyptic number.

It is an amenable number.

304547013 is a deficient number, since it is larger than the sum of its proper divisors (148908987).

304547013 is a wasteful number, since it uses less digits than its factorization.

304547013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56889 (or 56883 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 304547013 is about 17451.2753975175. The cubic root of 304547013 is about 672.7981388828.

The spelling of 304547013 in words is "three hundred four million, five hundred forty-seven thousand, thirteen".

Divisors: 1 3 9 27 199 597 1791 5373 56681 170043 510129 1530387 11279519 33838557 101515671 304547013