Search a number
-
+
805709048 = 23100713631
BaseRepresentation
bin110000000001100…
…010010011111000
32002011002021000212
4300001202103320
53122230142143
6211541050252
725652261654
oct6001422370
92064067025
10805709048
11383890151
121a59b6988
13cac01621
1479013a64
154ab03918
hex300624f8

805709048 has 8 divisors (see below), whose sum is σ = 1510704480. Its totient is φ = 402854520.

The previous prime is 805709039. The next prime is 805709053. The reversal of 805709048 is 840907508.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 805708996 and 805709014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50356808 + ... + 50356823.

It is an arithmetic number, because the mean of its divisors is an integer number (188838060).

Almost surely, 2805709048 is an apocalyptic number.

It is an amenable number.

805709048 is a deficient number, since it is larger than the sum of its proper divisors (704995432).

805709048 is a wasteful number, since it uses less digits than its factorization.

805709048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100713637 (or 100713633 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 805709048 is about 28385.0144970898. The cubic root of 805709048 is about 930.5207889743.

The spelling of 805709048 in words is "eight hundred five million, seven hundred nine thousand, forty-eight".

Divisors: 1 2 4 8 100713631 201427262 402854524 805709048