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8080240245 = 357112635989
BaseRepresentation
bin1111000011001111…
…01010111001110101
3202212010101201211020
413201213222321311
5113022020141440
63413443331353
7404143623510
oct74147527165
922763351736
108080240245
1134770a3100
121696080b59
139ba05895c
145691d3d77
1532459a3d0
hex1e19eae75

8080240245 has 48 divisors (see below), whose sum is σ = 16240640640. Its totient is φ = 3358016640.

The previous prime is 8080240229. The next prime is 8080240249. The reversal of 8080240245 is 5420420808.

It is a happy number.

8080240245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8080240245 - 24 = 8080240229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8080240249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 305290 + ... + 330699.

It is an arithmetic number, because the mean of its divisors is an integer number (338346680).

Almost surely, 28080240245 is an apocalyptic number.

It is an amenable number.

8080240245 is an abundant number, since it is smaller than the sum of its proper divisors (8160400395).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8080240245 is a wasteful number, since it uses less digits than its factorization.

8080240245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636026 (or 636015 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 8080240245 is about 89890.1565523167. The cubic root of 8080240245 is about 2006.6644549367.

The spelling of 8080240245 in words is "eight billion, eighty million, two hundred forty thousand, two hundred forty-five".

Divisors: 1 3 5 7 11 15 21 33 35 55 77 105 121 165 231 363 385 605 847 1155 1815 2541 4235 12705 635989 1907967 3179945 4451923 6995879 9539835 13355769 20987637 22259615 34979395 48971153 66778845 76954669 104938185 146913459 230864007 244855765 384773345 538682683 734567295 1154320035 1616048049 2693413415 8080240245