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104145105 = 356943007
BaseRepresentation
bin1100011010100…
…10000011010001
321020222010020010
412031102003101
5203130120410
614200105133
72403135021
oct615220321
9236863203
10104145105
1153872839
122aa651a9
131876542c
14db8da81
159222c20
hex63520d1

104145105 has 8 divisors (see below), whose sum is σ = 166632192. Its totient is φ = 55544048.

The previous prime is 104145079. The next prime is 104145157. The reversal of 104145105 is 501541401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104145105 - 223 = 95756497 is a prime.

It is a super-2 number, since 2×1041451052 = 21692405790922050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3471489 + ... + 3471518.

It is an arithmetic number, because the mean of its divisors is an integer number (20829024).

Almost surely, 2104145105 is an apocalyptic number.

104145105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104145105 is a deficient number, since it is larger than the sum of its proper divisors (62487087).

104145105 is an equidigital number, since it uses as much as digits as its factorization.

104145105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6943015.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 104145105 is about 10205.1509053027. The cubic root of 104145105 is about 470.4855477120.

Adding to 104145105 its reverse (501541401), we get a palindrome (605686506).

The spelling of 104145105 in words is "one hundred four million, one hundred forty-five thousand, one hundred five".

Divisors: 1 3 5 15 6943007 20829021 34715035 104145105