Search a number
942 = 23157

942 has 8 divisors (see below), whose sum is σ = 1896. Its totient is φ = 312.

The previous prime is 941. The next prime is 947. The reversal of 942 is 249.

942 is nontrivially palindromic in base 11, base 12 and base 14.

942 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

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

942 is an admirable number.

942 is an undulating number in base 11 and base 14.

942 is a nontrivial repdigit in base 12.

It is a plaindrome in base 9, base 12 and base 16.

It is a nialpdrome in base 6, base 10 and base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 942.

It is not an unprimeable number, because it can be changed into a prime (941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73 + ... + 84.

It is an arithmetic number, because the mean of its divisors is an integer number (237).

942 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.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948).

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

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

The sum of its prime factors is 162.

The product of its digits is 72, while the sum is 15.

The square root of 942 is about 30.6920185064. The cubic root of 942 is about 9.8028035849.

It can be divided in two parts, 9 and 42, that multiplied together give a triangular number (378 = T27).

The spelling of 942 in words is "nine hundred forty-two", and thus it is an aban number.

Divisors: 1 2 3 6 157 314 471 942