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104430643 = 1722512729
BaseRepresentation
bin1100011100101…
…11110000110011
321021111121220121
412032113300303
5203213240033
614210151111
72405434342
oct616276063
9237447817
10104430643
1153a48319
122ab82497
13188353a5
14dc25b59
15927c62d
hex6397c33

104430643 has 8 divisors (see below), whose sum is σ = 110663280. Its totient is φ = 98208000.

The previous prime is 104430629. The next prime is 104430647. The reversal of 104430643 is 346034401.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104430643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104430647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36903 + ... + 39631.

It is an arithmetic number, because the mean of its divisors is an integer number (13832910).

Almost surely, 2104430643 is an apocalyptic number.

104430643 is a deficient number, since it is larger than the sum of its proper divisors (6232637).

104430643 is a wasteful number, since it uses less digits than its factorization.

104430643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 104430643 is about 10219.1312253048. The cubic root of 104430643 is about 470.9151371547.

The spelling of 104430643 in words is "one hundred four million, four hundred thirty thousand, six hundred forty-three".

Divisors: 1 17 2251 2729 38267 46393 6142979 104430643