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105520384 = 28412189
BaseRepresentation
bin1100100101000…
…01110100000000
321100112222202101
412102201310000
5204003123014
614245400144
72420623414
oct622416400
9240488671
10105520384
1154622032
122b409054
1318b273c8
141002ad44
1593e5474
hex64a1d00

105520384 has 18 divisors (see below), whose sum is σ = 210629090. Its totient is φ = 52760064.

The previous prime is 105520381. The next prime is 105520391. The reversal of 105520384 is 483025501.

It can be written as a sum of positive squares in only one way, i.e., 105513984 + 6400 = 10272^2 + 80^2 .

It is a super-2 number, since 2×1055203842 = 22269102879014912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105520381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205839 + ... + 206350.

Almost surely, 2105520384 is an apocalyptic number.

It is an amenable number.

105520384 is a deficient number, since it is larger than the sum of its proper divisors (105108706).

105520384 is an frugal number, since it uses more digits than its factorization.

105520384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412205 (or 412191 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 105520384 is about 10272.3115217559. The cubic root of 105520384 is about 472.5474830737.

Adding to 105520384 its reverse (483025501), we get a palindrome (588545885).

The spelling of 105520384 in words is "one hundred five million, five hundred twenty thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 256 412189 824378 1648756 3297512 6595024 13190048 26380096 52760192 105520384