Search a number
-
+
8667942 = 231444657
BaseRepresentation
bin100001000100…
…001100100110
3121022101011220
4201010030212
54204333232
6505441210
7133450653
oct41041446
917271156
108667942
114990398
122aa0206
131a4647a
141218c2a
15b6342c
hex844326

8667942 has 8 divisors (see below), whose sum is σ = 17335896. Its totient is φ = 2889312.

The previous prime is 8667931. The next prime is 8667949. The reversal of 8667942 is 2497668.

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

8667942 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 8667894 and 8667903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8667949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722323 + ... + 722334.

It is an arithmetic number, because the mean of its divisors is an integer number (2166987).

Almost surely, 28667942 is an apocalyptic number.

8667942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8667942 is a wasteful number, since it uses less digits than its factorization.

8667942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444662.

The product of its digits is 145152, while the sum is 42.

The square root of 8667942 is about 2944.1368854046. The cubic root of 8667942 is about 205.4180799568.

The spelling of 8667942 in words is "eight million, six hundred sixty-seven thousand, nine hundred forty-two".

Divisors: 1 2 3 6 1444657 2889314 4333971 8667942