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1120213 = 2514463
BaseRepresentation
bin100010001011111010101
32002220122101
410101133111
5241321323
640002101
712343633
oct4213725
92086571
101120213
116a56a6
12460331
13302b63
14212353
15171dad
hex1117d5

1120213 has 4 divisors (see below), whose sum is σ = 1124928. Its totient is φ = 1115500.

The previous prime is 1120211. The next prime is 1120219. The reversal of 1120213 is 3120211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3120211 = 6151151.

It is a cyclic number.

It is not a de Polignac number, because 1120213 - 21 = 1120211 is a prime.

It is a Duffinian number.

1120213 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1120213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1981 + ... + 2482.

It is an arithmetic number, because the mean of its divisors is an integer number (281232).

21120213 is an apocalyptic number.

It is an amenable number.

1120213 is a deficient number, since it is larger than the sum of its proper divisors (4715).

1120213 is an equidigital number, since it uses as much as digits as its factorization.

1120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1120213 is about 1058.4011526827. The cubic root of 1120213 is about 103.8564649605.

Adding to 1120213 its reverse (3120211), we get a palindrome (4240424).

The spelling of 1120213 in words is "one million, one hundred twenty thousand, two hundred thirteen".

Divisors: 1 251 4463 1120213