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10145165 = 52029033
BaseRepresentation
bin100110101100…
…110110001101
3201002102112212
4212230312031
510044121130
61001240205
7152142512
oct46546615
921072485
1010145165
1157aa238
123493065
132142974
1414c1309
15d55e95
hex9acd8d

10145165 has 4 divisors (see below), whose sum is σ = 12174204. Its totient is φ = 8116128.

The previous prime is 10145159. The next prime is 10145167. The reversal of 10145165 is 56154101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56154101 = 192955479.

It can be written as a sum of positive squares in 2 ways, for example, as 5470921 + 4674244 = 2339^2 + 2162^2 .

It is a cyclic number.

It is not a de Polignac number, because 10145165 - 212 = 10141069 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 10145165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10145167) 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, 1014512 + ... + 1014521.

It is an arithmetic number, because the mean of its divisors is an integer number (3043551).

Almost surely, 210145165 is an apocalyptic number.

It is an amenable number.

10145165 is a deficient number, since it is larger than the sum of its proper divisors (2029039).

10145165 is an equidigital number, since it uses as much as digits as its factorization.

10145165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029038.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 10145165 is about 3185.1475633006. The cubic root of 10145165 is about 216.4809598753.

Adding to 10145165 its reverse (56154101), we get a palindrome (66299266).

The spelling of 10145165 in words is "ten million, one hundred forty-five thousand, one hundred sixty-five".

Divisors: 1 5 2029033 10145165