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10202197 = 16761091
BaseRepresentation
bin100110111010…
…110001010101
3201012022210011
4212322301111
510102432242
61002400221
7152501005
oct46726125
921168704
1010202197
115839075
123500071
132162905
1414d8005
15d67d17
hex9bac55

10202197 has 4 divisors (see below), whose sum is σ = 10263456. Its totient is φ = 10140940.

The previous prime is 10202191. The next prime is 10202207. The reversal of 10202197 is 79120201.

10202197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10202197 - 211 = 10200149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202191) 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 in 3 ways as a sum of consecutive naturals, for example, 30379 + ... + 30712.

It is an arithmetic number, because the mean of its divisors is an integer number (2565864).

Almost surely, 210202197 is an apocalyptic number.

It is an amenable number.

10202197 is a deficient number, since it is larger than the sum of its proper divisors (61259).

10202197 is an equidigital number, since it uses as much as digits as its factorization.

10202197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61258.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 10202197 is about 3194.0878197069. The cubic root of 10202197 is about 216.8858581270.

Adding to 10202197 its reverse (79120201), we get a palindrome (89322398).

The spelling of 10202197 in words is "ten million, two hundred two thousand, one hundred ninety-seven".

Divisors: 1 167 61091 10202197