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105352161 = 335117387
BaseRepresentation
bin1100100011110…
…00101111100001
321100020102222220
412101320233201
5203432232121
614242021253
72416323105
oct621705741
9240212886
10105352161
1154517702
122b347829
1318a98975
14ddc5905
1593b06c6
hex6478be1

105352161 has 4 divisors (see below), whose sum is σ = 140469552. Its totient is φ = 70234772.

The previous prime is 105352153. The next prime is 105352189. The reversal of 105352161 is 161253501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 161253501 = 353751167.

It is a cyclic number.

It is not a de Polignac number, because 105352161 - 23 = 105352153 is a prime.

It is a super-2 number, since 2×1053521612 = 22198155654739842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105352141) 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, 17558691 + ... + 17558696.

It is an arithmetic number, because the mean of its divisors is an integer number (35117388).

Almost surely, 2105352161 is an apocalyptic number.

It is an amenable number.

105352161 is a deficient number, since it is larger than the sum of its proper divisors (35117391).

105352161 is an equidigital number, since it uses as much as digits as its factorization.

105352161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35117390.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 105352161 is about 10264.1200791885. The cubic root of 105352161 is about 472.2962341900.

The spelling of 105352161 in words is "one hundred five million, three hundred fifty-two thousand, one hundred sixty-one".

Divisors: 1 3 35117387 105352161