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104444420 = 22543121447
BaseRepresentation
bin1100011100110…
…11001000000100
321021112022210212
412032123020010
5203214210140
614210334552
72405522453
oct616331004
9237468725
10104444420
1153a57703
122ab8a458
131883b742
14dc2ab9a
159281765
hex639b204

104444420 has 24 divisors (see below), whose sum is σ = 224435904. Its totient is φ = 40805856.

The previous prime is 104444411. The next prime is 104444453. The reversal of 104444420 is 24444401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59864 + ... + 61583.

It is an arithmetic number, because the mean of its divisors is an integer number (9351496).

Almost surely, 2104444420 is an apocalyptic number.

104444420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104444420 is an abundant number, since it is smaller than the sum of its proper divisors (119991484).

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

104444420 is a wasteful number, since it uses less digits than its factorization.

104444420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121499 (or 121497 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 104444420 is about 10219.8052819024. The cubic root of 104444420 is about 470.9358447184.

Adding to 104444420 its reverse (24444401), we get a palindrome (128888821).

The spelling of 104444420 in words is "one hundred four million, four hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 121447 242894 485788 607235 1214470 2428940 5222221 10444442 20888884 26111105 52222210 104444420