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2912213 is a prime number
BaseRepresentation
bin1011000110111111010101
312110221210202
423012333111
51221142323
6142230245
733516263
oct13067725
95427722
102912213
111709a97
12b85385
137ac705
1455b433
153c7d28
hex2c6fd5

2912213 has 2 divisors, whose sum is σ = 2912214. Its totient is φ = 2912212.

The previous prime is 2912197. The next prime is 2912227. The reversal of 2912213 is 3122192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1697809 + 1214404 = 1303^2 + 1102^2 .

It is a cyclic number.

It is not a de Polignac number, because 2912213 - 24 = 2912197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2912243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1456106 + 1456107.

It is an arithmetic number, because the mean of its divisors is an integer number (1456107).

22912213 is an apocalyptic number.

It is an amenable number.

2912213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2912213 is an equidigital number, since it uses as much as digits as its factorization.

2912213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 2912213 is about 1706.5207294375. The cubic root of 2912213 is about 142.8042213023.

It can be divided in two parts, 2912 and 213, that added together give a 5-th power (3125 = 55).

The spelling of 2912213 in words is "two million, nine hundred twelve thousand, two hundred thirteen".