Search a number
-
+
813016272 = 24340142239
BaseRepresentation
bin110000011101011…
…010010011010000
32002122211111122210
4300131122103100
53131113010042
6212401432120
726101344555
oct6035322320
92078744583
10813016272
11387a21182
121a833b640
13cc58c623
1479d96a2c
154b598a9c
hex3075a4d0

813016272 has 40 divisors (see below), whose sum is σ = 2105579520. Its totient is φ = 270323200.

The previous prime is 813016271. The next prime is 813016277. The reversal of 813016272 is 272610318.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813016271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872 + ... + 40367.

It is an arithmetic number, because the mean of its divisors is an integer number (52639488).

Almost surely, 2813016272 is an apocalyptic number.

It is an amenable number.

813016272 is an abundant number, since it is smaller than the sum of its proper divisors (1292563248).

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

813016272 is a wasteful number, since it uses less digits than its factorization.

813016272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42651 (or 42645 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 813016272 is about 28513.4401993165. The cubic root of 813016272 is about 933.3253874607.

The spelling of 813016272 in words is "eight hundred thirteen million, sixteen thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 401 802 1203 1604 2406 3208 4812 6416 9624 19248 42239 84478 126717 168956 253434 337912 506868 675824 1013736 2027472 16937839 33875678 50813517 67751356 101627034 135502712 203254068 271005424 406508136 813016272