Search a number
-
+
8289920455 = 55189319519
BaseRepresentation
bin1111011100001111…
…00010010111000111
3210101201221120222221
413232013202113013
5113434204423310
63450333433211
7412301106205
oct75607422707
923351846887
108289920455
113574497a33
12173433b807
13a2162209b
14588db6075
15337bb7ada
hex1ee1e25c7

8289920455 has 8 divisors (see below), whose sum is σ = 9949852800. Its totient is φ = 6630637536.

The previous prime is 8289920363. The next prime is 8289920461. The reversal of 8289920455 is 5540299828.

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

It is a cyclic number.

It is not a de Polignac number, because 8289920455 - 217 = 8289789383 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133815 + ... + 185704.

It is an arithmetic number, because the mean of its divisors is an integer number (1243731600).

Almost surely, 28289920455 is an apocalyptic number.

8289920455 is a deficient number, since it is larger than the sum of its proper divisors (1659932345).

8289920455 is a wasteful number, since it uses less digits than its factorization.

8289920455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324713.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The square root of 8289920455 is about 91049.0002965436. Note that the first 3 decimals coincide. The cubic root of 8289920455 is about 2023.8739219032.

The spelling of 8289920455 in words is "eight billion, two hundred eighty-nine million, nine hundred twenty thousand, four hundred fifty-five".

Divisors: 1 5 5189 25945 319519 1597595 1657984091 8289920455