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10197161 = 131746141
BaseRepresentation
bin100110111001…
…100010101001
3201012001212122
4212321202221
510102302121
61002321025
7152450222
oct46714251
921161778
1010197161
115835307
1234b9175
132160530
1414d6249
15d665ab
hex9b98a9

10197161 has 8 divisors (see below), whose sum is σ = 11627784. Its totient is φ = 8858880.

The previous prime is 10197157. The next prime is 10197169. The reversal of 10197161 is 16179101.

10197161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 78400 + 10118761 = 280^2 + 3181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10197161 - 22 = 10197157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10197161.

It is not an unprimeable number, because it can be changed into a prime (10197169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22850 + ... + 23291.

It is an arithmetic number, because the mean of its divisors is an integer number (1453473).

Almost surely, 210197161 is an apocalyptic number.

It is an amenable number.

10197161 is a deficient number, since it is larger than the sum of its proper divisors (1430623).

10197161 is a wasteful number, since it uses less digits than its factorization.

10197161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46171.

The product of its (nonzero) digits is 378, while the sum is 26.

The square root of 10197161 is about 3193.2993909122. The cubic root of 10197161 is about 216.8501659145.

The spelling of 10197161 in words is "ten million, one hundred ninety-seven thousand, one hundred sixty-one".

Divisors: 1 13 17 221 46141 599833 784397 10197161