Search a number
-
+
8242807141 = 292831004363
BaseRepresentation
bin1111010110100111…
…10100000101100101
3210021110021222200101
413223103310011211
5113340124312031
63441531544101
7411156463462
oct75323640545
923243258611
108242807141
11354a939008
1217205bb031
13a1493789a
14582a30669
153339ad361
hex1eb4f4165

8242807141 has 8 divisors (see below), whose sum is σ = 8557181280. Its totient is φ = 7930442352.

The previous prime is 8242807129. The next prime is 8242807159. The reversal of 8242807141 is 1417082428.

It is a happy number.

8242807141 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8242807141 - 25 = 8242807109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8242807141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8242807241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493975 + ... + 510388.

It is an arithmetic number, because the mean of its divisors is an integer number (1069647660).

Almost surely, 28242807141 is an apocalyptic number.

It is an amenable number.

8242807141 is a deficient number, since it is larger than the sum of its proper divisors (314374139).

8242807141 is a wasteful number, since it uses less digits than its factorization.

8242807141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004675.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 8242807141 is about 90789.9066031021. The cubic root of 8242807141 is about 2020.0326058358.

Adding to 8242807141 its reverse (1417082428), we get a palindrome (9659889569).

The spelling of 8242807141 in words is "eight billion, two hundred forty-two million, eight hundred seven thousand, one hundred forty-one".

Divisors: 1 29 283 8207 1004363 29126527 284234729 8242807141