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105807764 = 22127208283
BaseRepresentation
bin1100100111001…
…11111110010100
321101002120222002
412103213332110
5204041322024
614255454432
72423231306
oct623477624
9241076862
10105807764
11547a8a37
122b527418
1318bc815a
14100a3976
1594506ae
hex64e7f94

105807764 has 12 divisors (see below), whose sum is σ = 186622464. Its totient is φ = 52487064.

The previous prime is 105807761. The next prime is 105807799. The reversal of 105807764 is 467708501.

It is a super-2 number, since 2×1058077642 = 22390565845359392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105807761) 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, 103634 + ... + 104649.

It is an arithmetic number, because the mean of its divisors is an integer number (15551872).

Almost surely, 2105807764 is an apocalyptic number.

It is an amenable number.

105807764 is a deficient number, since it is larger than the sum of its proper divisors (80814700).

105807764 is a wasteful number, since it uses less digits than its factorization.

105807764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208414 (or 208412 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 105807764 is about 10286.2900989618. The cubic root of 105807764 is about 472.9760814620.

The spelling of 105807764 in words is "one hundred five million, eight hundred seven thousand, seven hundred sixty-four".

Divisors: 1 2 4 127 254 508 208283 416566 833132 26451941 52903882 105807764