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104444143 = 175959377
BaseRepresentation
bin1100011100110…
…11000011101111
321021112022102121
412032123003233
5203214203033
614210333411
72405521606
oct616330357
9237468377
10104444143
1153a57481
122ab8a267
131883b58b
14dc2aa3d
15928162d
hex639b0ef

104444143 has 4 divisors (see below), whose sum is σ = 104505280. Its totient is φ = 104383008.

The previous prime is 104444117. The next prime is 104444147. The reversal of 104444143 is 341444401.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 104444143 - 221 = 102346991 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 (104444147) 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, 27930 + ... + 31447.

It is an arithmetic number, because the mean of its divisors is an integer number (26126320).

Almost surely, 2104444143 is an apocalyptic number.

104444143 is a deficient number, since it is larger than the sum of its proper divisors (61137).

104444143 is an equidigital number, since it uses as much as digits as its factorization.

104444143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61136.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 104444143 is about 10219.7917297761. The cubic root of 104444143 is about 470.9354283906.

Adding to 104444143 its reverse (341444401), we get a palindrome (445888544).

It can be divided in two parts, 1044441 and 43, that added together give a square (1044484 = 10222).

The spelling of 104444143 in words is "one hundred four million, four hundred forty-four thousand, one hundred forty-three".

Divisors: 1 1759 59377 104444143