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105243176 = 2313155397
BaseRepresentation
bin1100100010111…
…10001000101000
321100000220111102
412101132020220
5203420240201
614235420532
72415360263
oct621361050
9240026442
10105243176
1154452835
122b2b4748
1318a5b18c
14dd97cda
15938d26b
hex645e228

105243176 has 8 divisors (see below), whose sum is σ = 197330970. Its totient is φ = 52621584.

The previous prime is 105243143. The next prime is 105243179. The reversal of 105243176 is 671342501.

It can be written as a sum of positive squares in only one way, i.e., 97812100 + 7431076 = 9890^2 + 2726^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1052431762 = 22152252189133952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105243179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577691 + ... + 6577706.

Almost surely, 2105243176 is an apocalyptic number.

It is an amenable number.

105243176 is a deficient number, since it is larger than the sum of its proper divisors (92087794).

105243176 is a wasteful number, since it uses less digits than its factorization.

105243176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13155403 (or 13155399 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 105243176 is about 10258.8096775406. The cubic root of 105243176 is about 472.1333172196.

Adding to 105243176 its reverse (671342501), we get a palindrome (776585677).

The spelling of 105243176 in words is "one hundred five million, two hundred forty-three thousand, one hundred seventy-six".

Divisors: 1 2 4 8 13155397 26310794 52621588 105243176