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22095145 = 59745557
BaseRepresentation
bin101010001001…
…0010100101001
31112120112211201
41110102110221
521124021040
62105324201
7355543222
oct124222451
945515751
1022095145
1111521456
127496661
134767c67
142d12249
151e16a9a
hex1512529

22095145 has 8 divisors (see below), whose sum is σ = 26788104. Its totient is φ = 17493504.

The previous prime is 22095137. The next prime is 22095149. The reversal of 22095145 is 54159022.

It can be written as a sum of positive squares in 4 ways, for example, as 1447209 + 20647936 = 1203^2 + 4544^2 .

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 22095145 - 23 = 22095137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22095149) 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, 22294 + ... + 23263.

It is an arithmetic number, because the mean of its divisors is an integer number (3348513).

Almost surely, 222095145 is an apocalyptic number.

It is an amenable number.

22095145 is a deficient number, since it is larger than the sum of its proper divisors (4692959).

22095145 is an equidigital number, since it uses as much as digits as its factorization.

22095145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45659.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 22095145 is about 4700.5473085589. The cubic root of 22095145 is about 280.6072915878.

The spelling of 22095145 in words is "twenty-two million, ninety-five thousand, one hundred forty-five".

Divisors: 1 5 97 485 45557 227785 4419029 22095145