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304668072 = 23324398407
BaseRepresentation
bin10010001010001…
…101110110101000
3210020021202000200
4102022031312220
51110443334242
650122032200
710356431052
oct2212156650
9706252020
10304668072
11146a826a5
1286048660
134b173787
142c66a8d2
151bb3204c
hex1228dda8

304668072 has 48 divisors (see below), whose sum is σ = 844340640. Its totient is φ = 99193248.

The previous prime is 304668043. The next prime is 304668073. The reversal of 304668072 is 270866403.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (304668073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46108 + ... + 52299.

It is an arithmetic number, because the mean of its divisors is an integer number (17590430).

Almost surely, 2304668072 is an apocalyptic number.

It is an amenable number.

304668072 is an abundant number, since it is smaller than the sum of its proper divisors (539672568).

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

304668072 is a wasteful number, since it uses less digits than its factorization.

304668072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98462 (or 98455 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 304668072 is about 17454.7435386487. The cubic root of 304668072 is about 672.8872739772.

The spelling of 304668072 in words is "three hundred four million, six hundred sixty-eight thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 43 72 86 129 172 258 344 387 516 774 1032 1548 3096 98407 196814 295221 393628 590442 787256 885663 1180884 1771326 2361768 3542652 4231501 7085304 8463002 12694503 16926004 25389006 33852008 38083509 50778012 76167018 101556024 152334036 304668072