• 292 can be written using four 4's:
292 has 6 divisors (see below), whose sum is σ = 518. Its totient is φ = 144.
The previous prime is 283. The next prime is 293.
292 is nontrivially palindromic in base 7, base 8 and base 10.
292 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.
It can be written as a sum of positive squares in only one way, i.e., 256 + 36 = 16^2 + 6^2 .
It is an alternating number because its digits alternate between even and odd.
292 is an undulating number in base 7 and base 10.
292 is a nontrivial repdigit in base 8.
It is a plaindrome in base 8, base 11, base 14, base 15 and base 16.
It is a nialpdrome in base 8.
It is a zygodrome in base 8.
It is not an unprimeable number, because it can be changed into a prime (293) by changing a digit.
292 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (3) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33 + ... + 40.
It is an amenable number.
292 is a deficient number, since it is larger than the sum of its proper divisors (226).
292 is a wasteful number, since it uses less digits than its factorization.
292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77 (or 75 counting only the distinct ones).
The product of its digits is 36, while the sum is 13.
The square root of 292 is about 17.0880074906. The cubic root of 292 is about 6.6342874369.
Subtracting from 292 its product of digits (36), we obtain a 8-th power (256 = 28).
The spelling of 292 in words is "two hundred ninety-two", and thus it is an aban number.
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