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104545 = 5729103
BaseRepresentation
bin11001100001100001
312022102001
4121201201
511321140
62124001
7613540
oct314141
9168361
10104545
1171601
1250601
133877c
142a157
1520e9a
hex19861

104545 has 16 divisors (see below), whose sum is σ = 149760. Its totient is φ = 68544.

The previous prime is 104543. The next prime is 104549. The reversal of 104545 is 545401.

104545 = T70 + T71 + ... + T98.

It is not a de Polignac number, because 104545 - 21 = 104543 is a prime.

104545 is a modest number, since divided by 4545 gives 10 as remainder.

It is not an unprimeable number, because it can be changed into a prime (104543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964 + ... + 1066.

It is an arithmetic number, because the mean of its divisors is an integer number (9360).

2104545 is an apocalyptic number.

It is an amenable number.

104545 is a deficient number, since it is larger than the sum of its proper divisors (45215).

104545 is a wasteful number, since it uses less digits than its factorization.

104545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 104545 is about 323.3341924387. The cubic root of 104545 is about 47.1086966660.

Adding to 104545 its reverse (545401), we get a palindrome (649946).

The spelling of 104545 in words is "one hundred four thousand, five hundred forty-five".

Divisors: 1 5 7 29 35 103 145 203 515 721 1015 2987 3605 14935 20909 104545