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202438213 is a prime number
BaseRepresentation
bin11000001000011…
…11011001000101
3112002220221000121
430010033121011
5403311010323
632030541541
75005460605
oct1404173105
9462827017
10202438213
11a42a890a
12579678b1
1332c2c033
141cc58c05
1512b8ba5d
hexc10f645

202438213 has 2 divisors, whose sum is σ = 202438214. Its totient is φ = 202438212.

The previous prime is 202438207. The next prime is 202438219. The reversal of 202438213 is 312834202.

It is a balanced prime because it is at equal distance from previous prime (202438207) and next prime (202438219).

It can be written as a sum of positive squares in only one way, i.e., 154579489 + 47858724 = 12433^2 + 6918^2 .

It is a cyclic number.

It is not a de Polignac number, because 202438213 - 29 = 202437701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202438219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101219106 + 101219107.

It is an arithmetic number, because the mean of its divisors is an integer number (101219107).

Almost surely, 2202438213 is an apocalyptic number.

It is an amenable number.

202438213 is a deficient number, since it is larger than the sum of its proper divisors (1).

202438213 is an equidigital number, since it uses as much as digits as its factorization.

202438213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 202438213 is about 14228.0783312435. The cubic root of 202438213 is about 587.1704146857.

The spelling of 202438213 in words is "two hundred two million, four hundred thirty-eight thousand, two hundred thirteen".