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104447645 = 5431672909
BaseRepresentation
bin1100011100110…
…11111010011101
321021112111020022
412032123322131
5203214311040
614210401525
72405535041
oct616337235
9237474208
10104447645
1153a5a075
122ab902a5
1318840053
14dc2c021
1592826b5
hex639be9d

104447645 has 16 divisors (see below), whose sum is σ = 129064320. Its totient is φ = 81098304.

The previous prime is 104447621. The next prime is 104447657. The reversal of 104447645 is 546744401.

It is a cyclic number.

It is not a de Polignac number, because 104447645 - 210 = 104446621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34451 + ... + 37359.

It is an arithmetic number, because the mean of its divisors is an integer number (8066520).

Almost surely, 2104447645 is an apocalyptic number.

It is an amenable number.

104447645 is a deficient number, since it is larger than the sum of its proper divisors (24616675).

104447645 is a wasteful number, since it uses less digits than its factorization.

104447645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 104447645 is about 10219.9630625556. The cubic root of 104447645 is about 470.9406918018.

The spelling of 104447645 in words is "one hundred four million, four hundred forty-seven thousand, six hundred forty-five".

Divisors: 1 5 43 167 215 835 2909 7181 14545 35905 125087 485803 625435 2429015 20889529 104447645