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104112405 = 3355314551
BaseRepresentation
bin1100011010010…
…10000100010101
321020220110101000
412031022010111
5203123044110
614155253513
72402640465
oct615120425
9236813330
10104112405
1153850211
122aa4a299
1318753597
14db81ba5
1592181c0
hex634a115

104112405 has 32 divisors (see below), whose sum is σ = 188593920. Its totient is φ = 54475200.

The previous prime is 104112401. The next prime is 104112431. The reversal of 104112405 is 504211401.

104112405 is a `hidden beast` number, since 10 + 411 + 240 + 5 = 666.

It is not a de Polignac number, because 104112405 - 22 = 104112401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104112401) 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 in 31 ways as a sum of consecutive naturals, for example, 121 + ... + 14430.

It is an arithmetic number, because the mean of its divisors is an integer number (5893560).

Almost surely, 2104112405 is an apocalyptic number.

104112405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104112405 is a deficient number, since it is larger than the sum of its proper divisors (84481515).

104112405 is a wasteful number, since it uses less digits than its factorization.

104112405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14618 (or 14612 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 104112405 is about 10203.5486474069. The cubic root of 104112405 is about 470.4363007570.

Adding to 104112405 its reverse (504211401), we get a palindrome (608323806).

The spelling of 104112405 in words is "one hundred four million, one hundred twelve thousand, four hundred five".

Divisors: 1 3 5 9 15 27 45 53 135 159 265 477 795 1431 2385 7155 14551 43653 72755 130959 218265 392877 654795 771203 1964385 2313609 3856015 6940827 11568045 20822481 34704135 104112405