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104252143 = 176132479
BaseRepresentation
bin1100011011011…
…00001011101111
321021011120001111
412031230023233
5203142032033
614202252451
72404062052
oct615541357
9237146044
10104252143
11539361a6
122aab7127
13187a2078
14dbbaa99
1592447cd
hex636c2ef

104252143 has 4 divisors (see below), whose sum is σ = 110384640. Its totient is φ = 98119648.

The previous prime is 104252119. The next prime is 104252149. The reversal of 104252143 is 341252401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 104252143 - 221 = 102154991 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104252149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3066223 + ... + 3066256.

It is an arithmetic number, because the mean of its divisors is an integer number (27596160).

Almost surely, 2104252143 is an apocalyptic number.

104252143 is a deficient number, since it is larger than the sum of its proper divisors (6132497).

104252143 is an equidigital number, since it uses as much as digits as its factorization.

104252143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6132496.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 104252143 is about 10210.3938709533. The cubic root of 104252143 is about 470.6466773494.

The spelling of 104252143 in words is "one hundred four million, two hundred fifty-two thousand, one hundred forty-three".

Divisors: 1 17 6132479 104252143