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1054223 = 5319891
BaseRepresentation
bin100000001011000001111
31222120010022
410001120033
5232213343
634332355
711650352
oct4013017
91876108
101054223
11660065
1242a0bb
132abb01
141d6299
1515c568
hex10160f

1054223 has 4 divisors (see below), whose sum is σ = 1074168. Its totient is φ = 1034280.

The previous prime is 1054219. The next prime is 1054243. The reversal of 1054223 is 3224501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3224501 = 7460643.

It is a cyclic number.

It is not a de Polignac number, because 1054223 - 22 = 1054219 is a prime.

It is a super-2 number, since 2×10542232 = 2222772267458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054213) 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, 9893 + ... + 9998.

It is an arithmetic number, because the mean of its divisors is an integer number (268542).

21054223 is an apocalyptic number.

1054223 is a deficient number, since it is larger than the sum of its proper divisors (19945).

1054223 is an equidigital number, since it uses as much as digits as its factorization.

1054223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19944.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1054223 is about 1026.7536218587. The cubic root of 1054223 is about 101.7757150564.

Adding to 1054223 its reverse (3224501), we get a palindrome (4278724).

The spelling of 1054223 in words is "one million, fifty-four thousand, two hundred twenty-three".

Divisors: 1 53 19891 1054223