Search a number
-
+
8930205445 = 57255148727
BaseRepresentation
bin10000101000100100…
…00001111100000101
3212001100202102212211
420110102001330011
5121242113033240
64034045143421
7434204331250
oct102422017405
925040672784
108930205445
113872960587
12189285ab71
13ac4184145
1460a048097
15373ee1bea
hex214481f05

8930205445 has 8 divisors (see below), whose sum is σ = 12247138944. Its totient is φ = 6123569424.

The previous prime is 8930205421. The next prime is 8930205461. The reversal of 8930205445 is 5445020398.

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

It is not a de Polignac number, because 8930205445 - 219 = 8929681157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8930205398 and 8930205407.

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, 127574329 + ... + 127574398.

It is an arithmetic number, because the mean of its divisors is an integer number (1530892368).

Almost surely, 28930205445 is an apocalyptic number.

It is an amenable number.

8930205445 is a deficient number, since it is larger than the sum of its proper divisors (3316933499).

8930205445 is a wasteful number, since it uses less digits than its factorization.

8930205445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255148739.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 8930205445 is about 94499.7642589652. The cubic root of 8930205445 is about 2074.6928810470.

The spelling of 8930205445 in words is "eight billion, nine hundred thirty million, two hundred five thousand, four hundred forty-five".

Divisors: 1 5 7 35 255148727 1275743635 1786041089 8930205445