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3011223 = 31003741
BaseRepresentation
bin1011011111001010010111
312122222121210
423133022113
51232324343
6144312503
734411035
oct13371227
95588553
103011223
111777416
121012733
138157b7
14585555
153e7333
hex2df297

3011223 has 4 divisors (see below), whose sum is σ = 4014968. Its totient is φ = 2007480.

The previous prime is 3011221. The next prime is 3011231. The reversal of 3011223 is 3221103.

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 3011223 - 21 = 3011221 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 = 3011199 and 3011208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3011221) 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, 501868 + ... + 501873.

It is an arithmetic number, because the mean of its divisors is an integer number (1003742).

Almost surely, 23011223 is an apocalyptic number.

3011223 is a deficient number, since it is larger than the sum of its proper divisors (1003745).

3011223 is a wasteful number, since it uses less digits than its factorization.

3011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003744.

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

The square root of 3011223 is about 1735.2875842350. The cubic root of 3011223 is about 144.4045817460.

Adding to 3011223 its reverse (3221103), we get a palindrome (6232326).

It can be divided in two parts, 30112 and 23, that added together give a triangular number (30135 = T245).

The spelling of 3011223 in words is "three million, eleven thousand, two hundred twenty-three".

Divisors: 1 3 1003741 3011223