Search a number
-
+
384872801 = 4722336721
BaseRepresentation
bin10110111100001…
…011000101100001
3222211012120020012
4112330023011201
51242011412201
6102105054305
712352236065
oct2674130541
9884176205
10384872801
111882836a5
12a8a87395
13619760b1
1439187aa5
1523bc65bb
hex16f0b161

384872801 has 8 divisors (see below), whose sum is σ = 394834944. Its totient is φ = 374984640.

The previous prime is 384872773. The next prime is 384872821. The reversal of 384872801 is 108278483.

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 384872801 - 26 = 384872737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384872821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7880 + ... + 28841.

It is an arithmetic number, because the mean of its divisors is an integer number (49354368).

Almost surely, 2384872801 is an apocalyptic number.

It is an amenable number.

384872801 is a deficient number, since it is larger than the sum of its proper divisors (9962143).

384872801 is a wasteful number, since it uses less digits than its factorization.

384872801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36991.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 384872801 is about 19618.1752719258. The cubic root of 384872801 is about 727.3985095566.

The spelling of 384872801 in words is "three hundred eighty-four million, eight hundred seventy-two thousand, eight hundred one".

Divisors: 1 47 223 10481 36721 1725887 8188783 384872801