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1013223 = 3337741
BaseRepresentation
bin11110111010111100111
31220110212210
43313113213
5224410343
633414503
711420001
oct3672747
91813783
101013223
11632282
1240a433
13296253
141c5371
15150333
hexf75e7

1013223 has 4 divisors (see below), whose sum is σ = 1350968. Its totient is φ = 675480.

The previous prime is 1013203. The next prime is 1013227. The reversal of 1013223 is 3223101.

It is a happy number.

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

It is not a de Polignac number, because 1013223 - 28 = 1012967 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013199 and 1013208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013227) 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, 168868 + ... + 168873.

It is an arithmetic number, because the mean of its divisors is an integer number (337742).

21013223 is an apocalyptic number.

1013223 is a deficient number, since it is larger than the sum of its proper divisors (337745).

1013223 is an equidigital number, since it uses as much as digits as its factorization.

1013223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337744.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1013223 is about 1006.5897873513. The cubic root of 1013223 is about 100.4388380612.

Adding to 1013223 its reverse (3223101), we get a palindrome (4236324).

It can be divided in two parts, 101 and 3223, that multiplied together give a palindrome (325523).

The spelling of 1013223 in words is "one million, thirteen thousand, two hundred twenty-three".

Divisors: 1 3 337741 1013223