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103863145 = 5167173719
BaseRepresentation
bin1100011000011…
…01001101101001
321020102210110011
412030031031221
5203042110040
614150051521
72400552001
oct614151551
9236383404
10103863145
115369aa11
122a949ba1
1318696ca9
14db19001
1591b93ea
hex630d369

103863145 has 16 divisors (see below), whose sum is σ = 126282240. Its totient is φ = 82001344.

The previous prime is 103863119. The next prime is 103863161. The reversal of 103863145 is 541368301.

It is a cyclic number.

It is not a de Polignac number, because 103863145 - 211 = 103861097 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 144096 + ... + 144814.

It is an arithmetic number, because the mean of its divisors is an integer number (7892640).

Almost surely, 2103863145 is an apocalyptic number.

It is an amenable number.

103863145 is a deficient number, since it is larger than the sum of its proper divisors (22419095).

103863145 is a wasteful number, since it uses less digits than its factorization.

103863145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 103863145 is about 10191.3269499119. The cubic root of 103863145 is about 470.0605701326.

It can be divided in two parts, 10386 and 3145, that added together give a palindrome (13531).

The spelling of 103863145 in words is "one hundred three million, eight hundred sixty-three thousand, one hundred forty-five".

Divisors: 1 5 167 173 719 835 865 3595 28891 120073 124387 144455 600365 621935 20772629 103863145