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384497873 = 4371125941
BaseRepresentation
bin10110111010101…
…111100011010001
3222210111111220222
4112322233203101
51241412412443
6102053042425
712346115024
oct2672574321
9883444828
10384497873
11188047a41
12a8926415
1361874546
14390cb1bb
1523b50468
hex16eaf8d1

384497873 has 8 divisors (see below), whose sum is σ = 398984256. Its totient is φ = 370263600.

The previous prime is 384497833. The next prime is 384497879. The reversal of 384497873 is 378794483.

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

It is a cyclic number.

It is not a de Polignac number, because 384497873 - 218 = 384235729 is a prime.

It is a super-2 number, since 2×3844978732 = 295677228683048258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384497879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59918 + ... + 66023.

It is an arithmetic number, because the mean of its divisors is an integer number (49873032).

Almost surely, 2384497873 is an apocalyptic number.

It is an amenable number.

384497873 is a deficient number, since it is larger than the sum of its proper divisors (14486383).

384497873 is a wasteful number, since it uses less digits than its factorization.

384497873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126055.

The product of its digits is 4064256, while the sum is 53.

The square root of 384497873 is about 19608.6173148440. The cubic root of 384497873 is about 727.1622317752.

The spelling of 384497873 in words is "three hundred eighty-four million, four hundred ninety-seven thousand, eight hundred seventy-three".

Divisors: 1 43 71 3053 125941 5415463 8941811 384497873