Base | Representation |
---|---|
bin | 10001001110001… |
… | …11000110010010 |
3 | 101001211212011020 |
4 | 20213013012102 |
5 | 243441023133 |
6 | 22200300310 |
7 | 3402656361 |
oct | 1047070622 |
9 | 331755136 |
10 | 144470418 |
11 | 74605844 |
12 | 40471696 |
13 | 23c14071 |
14 | 152897d8 |
15 | ca3b0b3 |
hex | 89c7192 |
144470418 has 16 divisors (see below), whose sum is σ = 290395200. Its totient is φ = 47914416.
The previous prime is 144470401. The next prime is 144470419. The reversal of 144470418 is 814074441.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (144470419) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59305 + ... + 61692.
It is an arithmetic number, because the mean of its divisors is an integer number (18149700).
Almost surely, 2144470418 is an apocalyptic number.
144470418 is an abundant number, since it is smaller than the sum of its proper divisors (145924782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144470418 is a wasteful number, since it uses less digits than its factorization.
144470418 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121201.
The product of its (nonzero) digits is 14336, while the sum is 33.
The square root of 144470418 is about 12019.5847682023. The cubic root of 144470418 is about 524.7184195246.
The spelling of 144470418 in words is "one hundred forty-four million, four hundred seventy thousand, four hundred eighteen".
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