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841213 is a prime number
BaseRepresentation
bin11001101010111111101
31120201221001
43031113331
5203404323
630010301
710102342
oct3152775
91521831
10841213
1152501a
12346991
13235b79
1417c7c9
151193ad
hexcd5fd

841213 has 2 divisors, whose sum is σ = 841214. Its totient is φ = 841212.

The previous prime is 841207. The next prime is 841219. The reversal of 841213 is 312148.

It is a balanced prime because it is at equal distance from previous prime (841207) and next prime (841219).

It can be written as a sum of positive squares in only one way, i.e., 840889 + 324 = 917^2 + 18^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-841213 is a prime.

It is a super-2 number, since 2×8412132 = 1415278622738, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (841219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420606 + 420607.

It is an arithmetic number, because the mean of its divisors is an integer number (420607).

2841213 is an apocalyptic number.

It is an amenable number.

841213 is a deficient number, since it is larger than the sum of its proper divisors (1).

841213 is an equidigital number, since it uses as much as digits as its factorization.

841213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

The square root of 841213 is about 917.1766460175. The cubic root of 841213 is about 94.3992749274.

The spelling of 841213 in words is "eight hundred forty-one thousand, two hundred thirteen".