Search a number
-
+
789916045 = 5413853249
BaseRepresentation
bin101111000101010…
…010100110001101
32001001100220002211
4233011102212031
53104204303140
6210214350421
725401114142
oct5705224615
92031326084
10789916045
11375983686
121a065b411
13c7862059
1476ca23c9
15495342ea
hex2f15298d

789916045 has 8 divisors (see below), whose sum is σ = 971019000. Its totient is φ = 616519680.

The previous prime is 789916027. The next prime is 789916073. The reversal of 789916045 is 540619987.

789916045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3337929 + 786578116 = 1827^2 + 28046^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 789916045 - 221 = 787818893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 789916045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926420 + ... + 1926829.

It is an arithmetic number, because the mean of its divisors is an integer number (121377375).

Almost surely, 2789916045 is an apocalyptic number.

It is an amenable number.

789916045 is a deficient number, since it is larger than the sum of its proper divisors (181102955).

789916045 is a wasteful number, since it uses less digits than its factorization.

789916045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853295.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 789916045 is about 28105.4451130026. The cubic root of 789916045 is about 924.4007981968.

The spelling of 789916045 in words is "seven hundred eighty-nine million, nine hundred sixteen thousand, forty-five".

Divisors: 1 5 41 205 3853249 19266245 157983209 789916045