Search a number
-
+
8000158 = 24000079
BaseRepresentation
bin11110100001001010011110
3120001110011011
4132201022132
54022001113
6443245434
7125000035
oct36411236
916043134
108000158
114574701
12281987a
13187152a
1410c371c
15a8063d
hex7a129e

8000158 has 4 divisors (see below), whose sum is σ = 12000240. Its totient is φ = 4000078.

The previous prime is 8000141. The next prime is 8000171. The reversal of 8000158 is 8510008.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000038 + ... + 2000041.

It is an arithmetic number, because the mean of its divisors is an integer number (3000060).

Almost surely, 28000158 is an apocalyptic number.

8000158 is a deficient number, since it is larger than the sum of its proper divisors (4000082).

8000158 is a wasteful number, since it uses less digits than its factorization.

8000158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000081.

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

The square root of 8000158 is about 2828.4550553261. The cubic root of 8000158 is about 200.0013166580.

The spelling of 8000158 in words is "eight million, one hundred fifty-eight", and thus it is an aban number.

Divisors: 1 2 4000079 8000158