Base | Representation |
---|---|
bin | 10000111111001… |
… | …10001001111001 |
3 | 100221010202220022 |
4 | 20133212021321 |
5 | 242440003343 |
6 | 22050140225 |
7 | 3350143163 |
oct | 1037461171 |
9 | 327122808 |
10 | 142500473 |
11 | 7348a795 |
12 | 3b881675 |
13 | 236a450b |
14 | 14cd5933 |
15 | c79c568 |
hex | 87e6279 |
142500473 has 4 divisors (see below), whose sum is σ = 142750608. Its totient is φ = 142250340.
The previous prime is 142500467. The next prime is 142500499. The reversal of 142500473 is 374005241.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 374005241 = 4663 ⋅80207.
It is a cyclic number.
It is not a de Polignac number, because 142500473 - 216 = 142434937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142500073) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124211 + ... + 125352.
It is an arithmetic number, because the mean of its divisors is an integer number (35687652).
Almost surely, 2142500473 is an apocalyptic number.
It is an amenable number.
142500473 is a deficient number, since it is larger than the sum of its proper divisors (250135).
142500473 is an equidigital number, since it uses as much as digits as its factorization.
142500473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250134.
The product of its (nonzero) digits is 3360, while the sum is 26.
The square root of 142500473 is about 11937.3561980867. The cubic root of 142500473 is about 522.3225413246.
The spelling of 142500473 in words is "one hundred forty-two million, five hundred thousand, four hundred seventy-three".
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