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386304265 = 5172144893
BaseRepresentation
bin10111000001101…
…000100100001001
3222220220021211101
4113001220210021
51242343214030
6102155501401
712400350334
oct2701504411
9886807741
10386304265
11189071126
12a9457861
1362057809
143943b61b
1523daa7ca
hex17068909

386304265 has 8 divisors (see below), whose sum is σ = 463844808. Its totient is φ = 308856960.

The previous prime is 386304263. The next prime is 386304271. The reversal of 386304265 is 562403683.

It can be written as a sum of positive squares in 4 ways, for example, as 76685049 + 309619216 = 8757^2 + 17596^2 .

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

It is not a de Polignac number, because 386304265 - 21 = 386304263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386304263) 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 7 ways as a sum of consecutive naturals, for example, 13842 + ... + 31051.

It is an arithmetic number, because the mean of its divisors is an integer number (57980601).

Almost surely, 2386304265 is an apocalyptic number.

It is an amenable number.

386304265 is a deficient number, since it is larger than the sum of its proper divisors (77540543).

386304265 is a wasteful number, since it uses less digits than its factorization.

386304265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46619.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 386304265 is about 19654.6245194356. The cubic root of 386304265 is about 728.2992024017.

The spelling of 386304265 in words is "three hundred eighty-six million, three hundred four thousand, two hundred sixty-five".

Divisors: 1 5 1721 8605 44893 224465 77260853 386304265