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104445438 = 2323863877
BaseRepresentation
bin1100011100110…
…11010111111110
321021112101012120
412032123113332
5203214223223
614210343410
72405525436
oct616332776
9237471176
10104445438
1153a58449
122ab8ab66
131883c046
14dc2b2c6
159281be3
hex639b5fe

104445438 has 32 divisors (see below), whose sum is σ = 218474496. Its totient is φ = 33224928.

The previous prime is 104445431. The next prime is 104445449. The reversal of 104445438 is 834544401.

It is a junction number, because it is equal to n+sod(n) for n = 104445399 and 104445408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104445431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118656 + ... + 119532.

It is an arithmetic number, because the mean of its divisors is an integer number (6827328).

Almost surely, 2104445438 is an apocalyptic number.

104445438 is an abundant number, since it is smaller than the sum of its proper divisors (114029058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104445438 is a wasteful number, since it uses less digits than its factorization.

104445438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768.

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 104445438 is about 10219.8550870352. The cubic root of 104445438 is about 470.9373747542.

Adding to 104445438 its reverse (834544401), we get a palindrome (938989839).

The spelling of 104445438 in words is "one hundred four million, four hundred forty-five thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 23 46 69 138 863 877 1726 1754 2589 2631 5178 5262 19849 20171 39698 40342 59547 60513 119094 121026 756851 1513702 2270553 4541106 17407573 34815146 52222719 104445438