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202678061 is a prime number
BaseRepresentation
bin11000001010010…
…01111100101101
3112010101010000212
430011021330231
5403341144221
632040032205
75010510065
oct1405117455
9463333025
10202678061
11a4452033
1257a62665
1332cb4261
141ccbc3a5
1512bd7b5b
hexc149f2d

202678061 has 2 divisors, whose sum is σ = 202678062. Its totient is φ = 202678060.

The previous prime is 202678037. The next prime is 202678103. The reversal of 202678061 is 160876202.

202678061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199685161 + 2992900 = 14131^2 + 1730^2 .

It is a cyclic number.

It is not a de Polignac number, because 202678061 - 210 = 202677037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202678561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101339030 + 101339031.

It is an arithmetic number, because the mean of its divisors is an integer number (101339031).

Almost surely, 2202678061 is an apocalyptic number.

It is an amenable number.

202678061 is a deficient number, since it is larger than the sum of its proper divisors (1).

202678061 is an equidigital number, since it uses as much as digits as its factorization.

202678061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 202678061 is about 14236.5045218270. The cubic root of 202678061 is about 587.4022155650.

The spelling of 202678061 in words is "two hundred two million, six hundred seventy-eight thousand, sixty-one".