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120420016 = 2447792027
BaseRepresentation
bin1110010110101…
…11011010110000
322101120222012121
413023113122300
5221311420031
615541004024
72661360523
oct713273260
9271528177
10120420016
1161a79382
12343b3614
131bc43162
1411dc8bba
15a88a011
hex72d76b0

120420016 has 40 divisors (see below), whose sum is σ = 241413120. Its totient is φ = 58154304.

The previous prime is 120419989. The next prime is 120420029. The reversal of 120420016 is 610024021.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58395 + ... + 60421.

It is an arithmetic number, because the mean of its divisors is an integer number (6035328).

Almost surely, 2120420016 is an apocalyptic number.

120420016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120420016 is an abundant number, since it is smaller than the sum of its proper divisors (120993104).

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

120420016 is a wasteful number, since it uses less digits than its factorization.

120420016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 120420016 is about 10973.6054239252. The cubic root of 120420016 is about 493.8172161656.

Adding to 120420016 its reverse (610024021), we get a palindrome (730444037).

The spelling of 120420016 in words is "one hundred twenty million, four hundred twenty thousand, sixteen".

Divisors: 1 2 4 8 16 47 79 94 158 188 316 376 632 752 1264 2027 3713 4054 7426 8108 14852 16216 29704 32432 59408 95269 160133 190538 320266 381076 640532 762152 1281064 1524304 2562128 7526251 15052502 30105004 60210008 120420016