Search a number
-
+
2315690085 = 35154379339
BaseRepresentation
bin1000101000000110…
…1010000001100101
312222101101020121110
42022001222001211
514220304040320
61021441135233
7111246020022
oct21201520145
95871336543
102315690085
11a89168265
1254762a519
132ab9a9927
1417d794549
15d84705e0
hex8a06a065

2315690085 has 8 divisors (see below), whose sum is σ = 3705104160. Its totient is φ = 1235034704.

The previous prime is 2315690081. The next prime is 2315690087. The reversal of 2315690085 is 5800965132.

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 2315690085 - 22 = 2315690081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315690081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77189655 + ... + 77189684.

It is an arithmetic number, because the mean of its divisors is an integer number (463138020).

Almost surely, 22315690085 is an apocalyptic number.

It is an amenable number.

2315690085 is a deficient number, since it is larger than the sum of its proper divisors (1389414075).

2315690085 is a wasteful number, since it uses less digits than its factorization.

2315690085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154379347.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 2315690085 is about 48121.6176473734. The cubic root of 2315690085 is about 1323.0009175412. Note that the first 3 decimals are identical.

The spelling of 2315690085 in words is "two billion, three hundred fifteen million, six hundred ninety thousand, eighty-five".

Divisors: 1 3 5 15 154379339 463138017 771896695 2315690085