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105412775 = 52134767103
BaseRepresentation
bin1100100100001…
…11100010100111
321100100112010212
412102013202213
5203441202100
614243210035
72416664606
oct622074247
9240315125
10105412775
11545591a6
122b37691b
1318aba430
14dddda3d
1593c3635
hex64878a7

105412775 has 48 divisors (see below), whose sum is σ = 147323904. Its totient is φ = 74321280.

The previous prime is 105412759. The next prime is 105412787. The reversal of 105412775 is 577214501.

It is not a de Polignac number, because 105412775 - 24 = 105412759 is a prime.

It is a super-2 number, since 2×1054127752 = 22223706266401250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1023374 + ... + 1023476.

It is an arithmetic number, because the mean of its divisors is an integer number (3069248).

Almost surely, 2105412775 is an apocalyptic number.

105412775 is a deficient number, since it is larger than the sum of its proper divisors (41911129).

105412775 is a wasteful number, since it uses less digits than its factorization.

105412775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 105412775 is about 10267.0723675252. The cubic root of 105412775 is about 472.3867948237.

The spelling of 105412775 in words is "one hundred five million, four hundred twelve thousand, seven hundred seventy-five".

Divisors: 1 5 13 25 47 65 67 103 235 325 335 515 611 871 1175 1339 1675 2575 3055 3149 4355 4841 6695 6901 15275 15745 21775 24205 33475 34505 40937 62933 78725 89713 121025 172525 204685 314665 324347 448565 1023425 1573325 1621735 2242825 4216511 8108675 21082555 105412775