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202428211 is a prime number
BaseRepresentation
bin11000001000011…
…00111100110011
3112002220102022011
430010030330303
5403310200321
632030423351
75005416466
oct1404147463
9462812264
10202428211
11a42a1347
1257961b57
1332c2760b
141cc552dd
1512b88ae1
hexc10cf33

202428211 has 2 divisors, whose sum is σ = 202428212. Its totient is φ = 202428210.

The previous prime is 202428179. The next prime is 202428217. The reversal of 202428211 is 112824202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202428211 - 25 = 202428179 is a prime.

It is not a weakly prime, because it can be changed into another prime (202428217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101214105 + 101214106.

It is an arithmetic number, because the mean of its divisors is an integer number (101214106).

Almost surely, 2202428211 is an apocalyptic number.

202428211 is a deficient number, since it is larger than the sum of its proper divisors (1).

202428211 is an equidigital number, since it uses as much as digits as its factorization.

202428211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 202428211 is about 14227.7268388172. The cubic root of 202428211 is about 587.1607442862.

The spelling of 202428211 in words is "two hundred two million, four hundred twenty-eight thousand, two hundred eleven".