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10284023 = 47218809
BaseRepresentation
bin100111001110…
…101111110111
3201100111000202
4213032233313
510113042043
61004231115
7153261401
oct47165767
921314022
1010284023
1158945a2
12353b49b
132190c29
141519b71
15d821b8
hex9cebf7

10284023 has 4 divisors (see below), whose sum is σ = 10502880. Its totient is φ = 10065168.

The previous prime is 10284011. The next prime is 10284077. The reversal of 10284023 is 32048201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32048201 = 43745307.

It is a cyclic number.

It is not a de Polignac number, because 10284023 - 216 = 10218487 is a prime.

It is a super-2 number, since 2×102840232 = 211522258129058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10283986 and 10284004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10284623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109358 + ... + 109451.

It is an arithmetic number, because the mean of its divisors is an integer number (2625720).

Almost surely, 210284023 is an apocalyptic number.

10284023 is a deficient number, since it is larger than the sum of its proper divisors (218857).

10284023 is an equidigital number, since it uses as much as digits as its factorization.

10284023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218856.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 10284023 is about 3206.8712166222. The cubic root of 10284023 is about 217.4641540433.

The spelling of 10284023 in words is "ten million, two hundred eighty-four thousand, twenty-three".

Divisors: 1 47 218809 10284023