Base | Representation |
---|---|
bin | 10000111111101… |
… | …11011101011010 |
3 | 100221021101010112 |
4 | 20133313131122 |
5 | 242444240404 |
6 | 22051444322 |
7 | 3350556632 |
oct | 1037673532 |
9 | 327241115 |
10 | 142571354 |
11 | 73528a72 |
12 | 3b8b66a2 |
13 | 236ca863 |
14 | 14d136c2 |
15 | c7b356e |
hex | 87f775a |
142571354 has 4 divisors (see below), whose sum is σ = 213857034. Its totient is φ = 71285676.
The previous prime is 142571339. The next prime is 142571357. The reversal of 142571354 is 453175241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 453175241 = 14503 ⋅31247.
It can be written as a sum of positive squares in only one way, i.e., 103571329 + 39000025 = 10177^2 + 6245^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 142571354.
It is not an unprimeable number, because it can be changed into a prime (142571357) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35642837 + ... + 35642840.
Almost surely, 2142571354 is an apocalyptic number.
142571354 is a deficient number, since it is larger than the sum of its proper divisors (71285680).
142571354 is an equidigital number, since it uses as much as digits as its factorization.
142571354 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71285679.
The product of its digits is 16800, while the sum is 32.
The square root of 142571354 is about 11940.3247024526. The cubic root of 142571354 is about 522.4091295922.
The spelling of 142571354 in words is "one hundred forty-two million, five hundred seventy-one thousand, three hundred fifty-four".
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