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105268769 = 234576903
BaseRepresentation
bin1100100011001…
…00011000100001
321100002012121022
412101210120201
5203422100034
614240135225
72415525014
oct621443041
9240065538
10105268769
115446aa91
122b307515
1318a69a18
14dda337b
159395b2e
hex6464621

105268769 has 4 divisors (see below), whose sum is σ = 109845696. Its totient is φ = 100691844.

The previous prime is 105268727. The next prime is 105268799. The reversal of 105268769 is 967862501.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105268769 is a prime.

It is a super-2 number, since 2×1052687692 = 22163027453550722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105268799) 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, 2288429 + ... + 2288474.

It is an arithmetic number, because the mean of its divisors is an integer number (27461424).

Almost surely, 2105268769 is an apocalyptic number.

It is an amenable number.

105268769 is a deficient number, since it is larger than the sum of its proper divisors (4576927).

105268769 is an equidigital number, since it uses as much as digits as its factorization.

105268769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4576926.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 105268769 is about 10260.0569686528. The cubic root of 105268769 is about 472.1715851914.

The spelling of 105268769 in words is "one hundred five million, two hundred sixty-eight thousand, seven hundred sixty-nine".

Divisors: 1 23 4576903 105268769