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104420442 = 2375942139
BaseRepresentation
bin1100011100101…
…01010001011010
321021111002220210
412032111101122
5203212423232
614210031550
72405362530
oct616252132
9237432823
10104420442
1153a40695
122ab785b6
1318830859
14dc22150
1592795cc
hex639545a

104420442 has 32 divisors (see below), whose sum is σ = 242726400. Its totient is φ = 29328048.

The previous prime is 104420429. The next prime is 104420453. The reversal of 104420442 is 244024401.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18592 + ... + 23547.

It is an arithmetic number, because the mean of its divisors is an integer number (7585200).

Almost surely, 2104420442 is an apocalyptic number.

104420442 is an abundant number, since it is smaller than the sum of its proper divisors (138305958).

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

104420442 is a wasteful number, since it uses less digits than its factorization.

104420442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42210.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 104420442 is about 10218.6321002373. The cubic root of 104420442 is about 470.8998033357.

Adding to 104420442 its reverse (244024401), we get a palindrome (348444843).

The spelling of 104420442 in words is "one hundred four million, four hundred twenty thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 59 118 177 354 413 826 1239 2478 42139 84278 126417 252834 294973 589946 884919 1769838 2486201 4972402 7458603 14917206 17403407 34806814 52210221 104420442