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56429 = 73773
BaseRepresentation
bin1101110001101101
32212101222
431301231
53301204
61113125
7323342
oct156155
985358
1056429
113943a
12287a5
131c8b9
14167c9
1511abe
hexdc6d

56429 has 4 divisors (see below), whose sum is σ = 57276. Its totient is φ = 55584.

The previous prime is 56417. The next prime is 56431. The reversal of 56429 is 92465.

56429 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92465 = 518493.

It can be written as a sum of positive squares in 2 ways, for example, as 15625 + 40804 = 125^2 + 202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 56398 and 56407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56479) 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, 314 + ... + 459.

It is an arithmetic number, because the mean of its divisors is an integer number (14319).

256429 is an apocalyptic number.

It is an amenable number.

56429 is a deficient number, since it is larger than the sum of its proper divisors (847).

56429 is an equidigital number, since it uses as much as digits as its factorization.

56429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846.

The product of its digits is 2160, while the sum is 26.

The square root of 56429 is about 237.5478899085. The cubic root of 56429 is about 38.3560713660.

The spelling of 56429 in words is "fifty-six thousand, four hundred twenty-nine".

Divisors: 1 73 773 56429