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104505445 = 5112382613
BaseRepresentation
bin1100011101010…
…10000001100101
321021122102112001
412032222001211
5203223133240
614211525301
72406165412
oct616520145
9237572461
10104505445
1153a99540
122abb9831
1318860455
14dc45109
15929489a
hex63aa065

104505445 has 16 divisors (see below), whose sum is σ = 142756992. Its totient is φ = 72698560.

The previous prime is 104505431. The next prime is 104505449. The reversal of 104505445 is 544505401.

It is a de Polignac number, because none of the positive numbers 2k-104505445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104505449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40042 + ... + 42571.

It is an arithmetic number, because the mean of its divisors is an integer number (8922312).

Almost surely, 2104505445 is an apocalyptic number.

It is an amenable number.

104505445 is a deficient number, since it is larger than the sum of its proper divisors (38251547).

104505445 is a wasteful number, since it uses less digits than its factorization.

104505445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82652.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 104505445 is about 10222.7904703168. The cubic root of 104505445 is about 471.0275466479.

The spelling of 104505445 in words is "one hundred four million, five hundred five thousand, four hundred forty-five".

Divisors: 1 5 11 23 55 115 253 1265 82613 413065 908743 1900099 4543715 9500495 20901089 104505445