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10000145 = 52000029
BaseRepresentation
bin100110001001…
…011100010001
3200211001121202
4212021130101
510030001040
6554200545
7150666641
oct46113421
920731552
1010000145
115710291
123423155
1320c195c
141484521
15d28015
hex989711

10000145 has 4 divisors (see below), whose sum is σ = 12000180. Its totient is φ = 8000112.

The previous prime is 10000141. The next prime is 10000169. The reversal of 10000145 is 54100001.

10000145 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2421136 + 7579009 = 1556^2 + 2753^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000145 - 22 = 10000141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10000141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000010 + ... + 1000019.

It is an arithmetic number, because the mean of its divisors is an integer number (3000045).

Almost surely, 210000145 is an apocalyptic number.

It is an amenable number.

10000145 is a deficient number, since it is larger than the sum of its proper divisors (2000035).

10000145 is an equidigital number, since it uses as much as digits as its factorization.

10000145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000034.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 10000145 is about 3162.3005865983. The cubic root of 10000145 is about 215.4445103083. Note that the first 3 decimals are identical.

Adding to 10000145 its reverse (54100001), we get a palindrome (64100146).

The spelling of 10000145 in words is "ten million, one hundred forty-five", and thus it is an aban number.

Divisors: 1 5 2000029 10000145