Search a number
-
+
801370580 = 22540068529
BaseRepresentation
bin101111110000111…
…111000111010100
32001211220211202212
4233300333013110
53120122324310
6211304052552
725600352243
oct5760770724
92054824685
10801370580
1138139763a
121a4464158
13ca04299a
147860495a
154a548205
hex2fc3f1d4

801370580 has 12 divisors (see below), whose sum is σ = 1682878260. Its totient is φ = 320548224.

The previous prime is 801370579. The next prime is 801370597. The reversal of 801370580 is 85073108.

It can be written as a sum of positive squares in 2 ways, for example, as 510940816 + 290429764 = 22604^2 + 17042^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20034245 + ... + 20034284.

It is an arithmetic number, because the mean of its divisors is an integer number (140239855).

Almost surely, 2801370580 is an apocalyptic number.

It is an amenable number.

801370580 is an abundant number, since it is smaller than the sum of its proper divisors (881507680).

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

801370580 is a wasteful number, since it uses less digits than its factorization.

801370580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40068538 (or 40068536 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 801370580 is about 28308.4895393590. The cubic root of 801370580 is about 928.8476033298.

The spelling of 801370580 in words is "eight hundred one million, three hundred seventy thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 40068529 80137058 160274116 200342645 400685290 801370580