Base | Representation |
---|---|
bin | 11010100001110… |
… | …000000010010000 |
3 | 1011000110010211222 |
4 | 122201300002100 |
5 | 1402413230440 |
6 | 112055024212 |
7 | 14012622536 |
oct | 3241600220 |
9 | 1130403758 |
10 | 445055120 |
11 | 209249554 |
12 | 10506b068 |
13 | 71288033 |
14 | 43172156 |
15 | 291132b5 |
hex | 1a870090 |
445055120 has 40 divisors (see below), whose sum is σ = 1038650040. Its totient is φ = 177351680.
The previous prime is 445055119. The next prime is 445055131. The reversal of 445055120 is 21550544.
It can be written as a sum of positive squares in 4 ways, for example, as 14409616 + 430645504 = 3796^2 + 20752^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 445055120.
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, 11180 + ... + 31860.
It is an arithmetic number, because the mean of its divisors is an integer number (25966251).
Almost surely, 2445055120 is an apocalyptic number.
445055120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
445055120 is an abundant number, since it is smaller than the sum of its proper divisors (593594920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
445055120 is a wasteful number, since it uses less digits than its factorization.
445055120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20963 (or 20957 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 26.
The square root of 445055120 is about 21096.3295385714. The cubic root of 445055120 is about 763.4921929094.
The spelling of 445055120 in words is "four hundred forty-five million, fifty-five thousand, one hundred twenty".
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