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105273793 = 769136897
BaseRepresentation
bin1100100011001…
…01100111000001
321100002110111101
412101211213001
5203422230133
614240214401
72415545452
oct621454701
9240073441
10105273793
1154473839
122b30a401
1318a6c0b1
14dda5129
15939737d
hex64659c1

105273793 has 4 divisors (see below), whose sum is σ = 105411460. Its totient is φ = 105136128.

The previous prime is 105273767. The next prime is 105273821. The reversal of 105273793 is 397372501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 397372501 = 1723374853.

It can be written as a sum of positive squares in 2 ways, for example, as 33837489 + 71436304 = 5817^2 + 8452^2 .

It is a cyclic number.

It is not a de Polignac number, because 105273793 - 221 = 103176641 is a prime.

It is a super-2 number, since 2×1052737932 = 22165142985213698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105273193) 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, 67680 + ... + 69217.

It is an arithmetic number, because the mean of its divisors is an integer number (26352865).

Almost surely, 2105273793 is an apocalyptic number.

It is an amenable number.

105273793 is a deficient number, since it is larger than the sum of its proper divisors (137667).

105273793 is an equidigital number, since it uses as much as digits as its factorization.

105273793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137666.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 105273793 is about 10260.3017986802. The cubic root of 105273793 is about 472.1790966066.

The spelling of 105273793 in words is "one hundred five million, two hundred seventy-three thousand, seven hundred ninety-three".

Divisors: 1 769 136897 105273793