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105798955 = 521159791
BaseRepresentation
bin1100100111001…
…01110100101011
321101002010212211
412103211310223
5204041031310
614255345551
72423163523
oct623456453
9241063784
10105798955
11547a2359
122b5222b7
1318bc4142
14100a0683
15944cc8a
hex64e5d2b

105798955 has 4 divisors (see below), whose sum is σ = 126958752. Its totient is φ = 84639160.

The previous prime is 105798943. The next prime is 105798961. The reversal of 105798955 is 559897501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 559897501 = 1793127919.

It is not a de Polignac number, because 105798955 - 217 = 105667883 is a prime.

It is a super-2 number, since 2×1057989552 = 22386837758184050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105798899 and 105798908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10579891 + ... + 10579900.

It is an arithmetic number, because the mean of its divisors is an integer number (31739688).

Almost surely, 2105798955 is an apocalyptic number.

105798955 is a deficient number, since it is larger than the sum of its proper divisors (21159797).

105798955 is an equidigital number, since it uses as much as digits as its factorization.

105798955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21159796.

The product of its (nonzero) digits is 567000, while the sum is 49.

The square root of 105798955 is about 10285.8618987424. The cubic root of 105798955 is about 472.9629552610.

The spelling of 105798955 in words is "one hundred five million, seven hundred ninety-eight thousand, nine hundred fifty-five".

Divisors: 1 5 21159791 105798955