Base | Representation |
---|---|
bin | 11001000010100… |
… | …011110000111100 |
3 | 1002021111100110222 |
4 | 121002203300330 |
5 | 1330021214210 |
6 | 105404120512 |
7 | 13260541532 |
oct | 3102436074 |
9 | 1067440428 |
10 | 420101180 |
11 | 1a6155264 |
12 | b8836138 |
13 | 6905baa5 |
14 | 3db18152 |
15 | 26d34655 |
hex | 190a3c3c |
420101180 has 48 divisors (see below), whose sum is σ = 902391840. Its totient is φ = 164241408.
The previous prime is 420101159. The next prime is 420101197. The reversal of 420101180 is 81101024.
It is a congruent number.
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, 159716 + ... + 162324.
It is an arithmetic number, because the mean of its divisors is an integer number (18799830).
Almost surely, 2420101180 is an apocalyptic number.
It is an amenable number.
420101180 is an abundant number, since it is smaller than the sum of its proper divisors (482290660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420101180 is a wasteful number, since it uses less digits than its factorization.
420101180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2798 (or 2796 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
The square root of 420101180 is about 20496.3699225009. The cubic root of 420101180 is about 748.9473707274.
The spelling of 420101180 in words is "four hundred twenty million, one hundred one thousand, one hundred eighty".
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