Search a number
-
+
801641269 = 111313142793
BaseRepresentation
bin101111110010000…
…001001100110101
32001212102121002101
4233302001030311
53120210010034
6211313542101
725602560362
oct5762011465
92055377071
10801641269
11381561a50
121a4574931
13ca108c60
1478675469
154a59d514
hex2fc81335

801641269 has 16 divisors (see below), whose sum is σ = 948999744. Its totient is φ = 667555200.

The previous prime is 801641237. The next prime is 801641311. The reversal of 801641269 is 962146108.

It is a happy number.

801641269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 801641269 - 25 = 801641237 is a prime.

It is a super-2 number, since 2×8016412692 = 1285257448327860722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801641219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2664 + ... + 40129.

It is an arithmetic number, because the mean of its divisors is an integer number (59312484).

Almost surely, 2801641269 is an apocalyptic number.

It is an amenable number.

801641269 is a deficient number, since it is larger than the sum of its proper divisors (147358475).

801641269 is a wasteful number, since it uses less digits than its factorization.

801641269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42948.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 801641269 is about 28313.2701926146. The cubic root of 801641269 is about 928.9521743947.

The spelling of 801641269 in words is "eight hundred one million, six hundred forty-one thousand, two hundred sixty-nine".

Divisors: 1 11 13 131 143 1441 1703 18733 42793 470723 556309 5605883 6119399 61664713 72876479 801641269