Search a number
-
+
8115142 = 27579653
BaseRepresentation
bin11110111101001111000110
3120021021212211
4132331033012
54034141032
6445534034
7125656210
oct36751706
916237784
108115142
114643032
12287431a
1318b1979
1411135b0
15aa4747
hex7bd3c6

8115142 has 8 divisors (see below), whose sum is σ = 13911696. Its totient is φ = 3477912.

The previous prime is 8115131. The next prime is 8115167. The reversal of 8115142 is 2415118.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289813 + ... + 289840.

It is an arithmetic number, because the mean of its divisors is an integer number (1738962).

Almost surely, 28115142 is an apocalyptic number.

8115142 is a deficient number, since it is larger than the sum of its proper divisors (5796554).

8115142 is a wasteful number, since it uses less digits than its factorization.

8115142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579662.

The product of its digits is 320, while the sum is 22.

The square root of 8115142 is about 2848.7088303300. The cubic root of 8115142 is about 200.9549497644.

The spelling of 8115142 in words is "eight million, one hundred fifteen thousand, one hundred forty-two".

Divisors: 1 2 7 14 579653 1159306 4057571 8115142