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3813223 is a prime number
BaseRepresentation
bin1110100010111101100111
321011201202111
432202331213
51434010343
6213421451
744261161
oct16427547
97151674
103813223
112174a27
12133a887
13a3685b
14713931
15504c9d
hex3a2f67

3813223 has 2 divisors, whose sum is σ = 3813224. Its totient is φ = 3813222.

The previous prime is 3813221. The next prime is 3813233. The reversal of 3813223 is 3223183.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3813223 - 21 = 3813221 is a prime.

Together with 3813221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3813194 and 3813203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3813221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906611 + 1906612.

It is an arithmetic number, because the mean of its divisors is an integer number (1906612).

Almost surely, 23813223 is an apocalyptic number.

3813223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3813223 is an equidigital number, since it uses as much as digits as its factorization.

3813223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 3813223 is about 1952.7475515284. The cubic root of 3813223 is about 156.2298687664.

The spelling of 3813223 in words is "three million, eight hundred thirteen thousand, two hundred twenty-three".