Base | Representation |
---|---|
bin | 10000111101011… |
… | …10000000001001 |
3 | 100220201002101210 |
4 | 20132232000021 |
5 | 242410123343 |
6 | 22041203333 |
7 | 3345164502 |
oct | 1036560011 |
9 | 326632353 |
10 | 142270473 |
11 | 73342a04 |
12 | 3b790549 |
13 | 23623917 |
14 | 14c75ba9 |
15 | c754333 |
hex | 87ae009 |
142270473 has 16 divisors (see below), whose sum is σ = 191923200. Its totient is φ = 93739536.
The previous prime is 142270441. The next prime is 142270477. The reversal of 142270473 is 374072241.
It is not a de Polignac number, because 142270473 - 25 = 142270441 is a prime.
It is a nialpdrome in base 15.
It is a self number, because there is not a number n which added to its sum of digits gives 142270473.
It is not an unprimeable number, because it can be changed into a prime (142270477) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 98986 + ... + 100412.
It is an arithmetic number, because the mean of its divisors is an integer number (11995200).
Almost surely, 2142270473 is an apocalyptic number.
It is an amenable number.
142270473 is a deficient number, since it is larger than the sum of its proper divisors (49652727).
142270473 is a wasteful number, since it uses less digits than its factorization.
142270473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1796.
The product of its (nonzero) digits is 9408, while the sum is 30.
The square root of 142270473 is about 11927.7186838054. The cubic root of 142270473 is about 522.0413752967.
The spelling of 142270473 in words is "one hundred forty-two million, two hundred seventy thousand, four hundred seventy-three".
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