Search a number
-
+
807588089 = 71161171937
BaseRepresentation
bin110000001000101…
…101000011111001
32002021121201120222
4300020231003321
53123220304324
6212045225425
726004246140
oct6010550371
92067551528
10807588089
11384953980
121a6562275
13cb40b999
1479382757
154ad7555e
hex3022d0f9

807588089 has 16 divisors (see below), whose sum is σ = 1023374976. Its totient is φ = 618969600.

The previous prime is 807588071. The next prime is 807588097. The reversal of 807588089 is 980885708.

It is a cyclic number.

It is not a de Polignac number, because 807588089 - 224 = 790810873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 807588089.

It is not an unprimeable number, because it can be changed into a prime (807588049) 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 15 ways as a sum of consecutive naturals, for example, 81272 + ... + 90665.

It is an arithmetic number, because the mean of its divisors is an integer number (63960936).

Almost surely, 2807588089 is an apocalyptic number.

It is an amenable number.

807588089 is a deficient number, since it is larger than the sum of its proper divisors (215786887).

807588089 is a wasteful number, since it uses less digits than its factorization.

807588089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172016.

The product of its (nonzero) digits is 1290240, while the sum is 53.

The square root of 807588089 is about 28418.0943942411. The cubic root of 807588089 is about 931.2436012713.

The spelling of 807588089 in words is "eight hundred seven million, five hundred eighty-eight thousand, eighty-nine".

Divisors: 1 7 11 61 77 427 671 4697 171937 1203559 1891307 10488157 13239149 73417099 115369727 807588089