Search a number
-
+
8508085038 = 232472671391
BaseRepresentation
bin1111110110001111…
…10001001100101110
3210221221110111112200
413323013301030232
5114411032210123
63524125442330
7420560346435
oct77307611456
923857414480
108508085038
113676657242
1217954103a6
13a5789925b
145a9d6611c
1534be0e143
hex1fb1f132e

8508085038 has 12 divisors (see below), whose sum is σ = 18434184288. Its totient is φ = 2836028340.

The previous prime is 8508085037. The next prime is 8508085057. The reversal of 8508085038 is 8305808058.

It is a super-2 number, since 2×85080850382 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8508084984 and 8508085002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8508085037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236335678 + ... + 236335713.

It is an arithmetic number, because the mean of its divisors is an integer number (1536182024).

Almost surely, 28508085038 is an apocalyptic number.

8508085038 is an abundant number, since it is smaller than the sum of its proper divisors (9926099250).

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

8508085038 is a wasteful number, since it uses less digits than its factorization.

8508085038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472671399 (or 472671396 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The square root of 8508085038 is about 92239.2814260822. The cubic root of 8508085038 is about 2041.4744113318.

The spelling of 8508085038 in words is "eight billion, five hundred eight million, eighty-five thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 472671391 945342782 1418014173 2836028346 4254042519 8508085038