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BaseRepresentation
bin1110110011
31022002
432303
512242
64215
72522
oct1663
91262
10947
11791
1266b
1357b
144b9
15432
hex3b3

947 has 2 divisors, whose sum is σ = 948. Its totient is φ = 946.

The previous prime is 941. The next prime is 953. The reversal of 947 is 749.

It can be divided in two parts, 94 and 7, that added together give a palindrome (101).

947 is nontrivially palindromic in base 16.

947 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

It is a balanced prime because it is at equal distance from previous prime (941) and next prime (953).

947 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 947 - 26 = 883 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a pancake number, because a pancake can be divided into 947 parts by 43 straight cuts.

947 is an undulating number in base 16.

It is a plaindrome in base 12 and base 13.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another 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 as a sum of consecutive naturals, namely, 473 + 474.

It is an arithmetic number, because the mean of its divisors is an integer number (474).

947 is a deficient number, since it is larger than the sum of its proper divisors (1).

947 is an equidigital number, since it uses as much as digits as its factorization.

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

The product of its digits is 252, while the sum is 20.

The square root of 947 is about 30.7733651069. The cubic root of 947 is about 9.8201169441.

The spelling of 947 in words is "nine hundred forty-seven", and thus it is an aban number.