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1248223 = 2514973
BaseRepresentation
bin100110000101111011111
32100102020111
410300233133
5304420343
642430451
713416064
oct4605737
92312214
101248223
11782899
12502427
133491c2
14246c6b
15199c9d
hex130bdf

1248223 has 4 divisors (see below), whose sum is σ = 1253448. Its totient is φ = 1243000.

The previous prime is 1248217. The next prime is 1248229. The reversal of 1248223 is 3228421.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1248217) and next prime (1248229).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1248223 is a prime.

It is a Duffinian number.

1248223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1248194 and 1248203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2236 + ... + 2737.

It is an arithmetic number, because the mean of its divisors is an integer number (313362).

21248223 is an apocalyptic number.

1248223 is a deficient number, since it is larger than the sum of its proper divisors (5225).

1248223 is an equidigital number, since it uses as much as digits as its factorization.

1248223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224.

The product of its digits is 768, while the sum is 22.

The square root of 1248223 is about 1117.2390075539. The cubic root of 1248223 is about 107.6706645543.

The spelling of 1248223 in words is "one million, two hundred forty-eight thousand, two hundred twenty-three".

Divisors: 1 251 4973 1248223