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105293817 = 333899771
BaseRepresentation
bin1100100011010…
…10011111111001
321100010110222000
412101222133321
5203423400232
614240451213
72415661026
oct621523771
9240113860
10105293817
1154487892
122b319b09
1318a78245
14ddac54d
15939d27c
hex646a7f9

105293817 has 8 divisors (see below), whose sum is σ = 155990880. Its totient is φ = 70195860.

The previous prime is 105293803. The next prime is 105293821. The reversal of 105293817 is 718392501.

It is not a de Polignac number, because 105293817 - 26 = 105293753 is a prime.

It is a super-2 number, since 2×1052938172 = 22173575796858978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105293827) 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, 1949859 + ... + 1949912.

It is an arithmetic number, because the mean of its divisors is an integer number (19498860).

Almost surely, 2105293817 is an apocalyptic number.

It is an amenable number.

105293817 is a deficient number, since it is larger than the sum of its proper divisors (50697063).

105293817 is an equidigital number, since it uses as much as digits as its factorization.

105293817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899780 (or 3899774 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 105293817 is about 10261.2775520400. The cubic root of 105293817 is about 472.2090322457.

The spelling of 105293817 in words is "one hundred five million, two hundred ninety-three thousand, eight hundred seventeen".

Divisors: 1 3 9 27 3899771 11699313 35097939 105293817