Base | Representation |
---|---|
bin | 10000111101110… |
… | …00011100100110 |
3 | 100220210021002021 |
4 | 20132320130212 |
5 | 242413011004 |
6 | 22042133354 |
7 | 3345433306 |
oct | 1036703446 |
9 | 326707067 |
10 | 142313254 |
11 | 73372066 |
12 | 3b7b125a |
13 | 2363a235 |
14 | 14c87606 |
15 | c761d54 |
hex | 87b8726 |
142313254 has 4 divisors (see below), whose sum is σ = 213469884. Its totient is φ = 71156626.
The previous prime is 142313243. The next prime is 142313257. The reversal of 142313254 is 452313241.
142313254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 452313241 = 4357 ⋅103813.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142313257) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35578312 + ... + 35578315.
It is an arithmetic number, because the mean of its divisors is an integer number (53367471).
Almost surely, 2142313254 is an apocalyptic number.
142313254 is a deficient number, since it is larger than the sum of its proper divisors (71156630).
142313254 is an equidigital number, since it uses as much as digits as its factorization.
142313254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71156629.
The product of its digits is 2880, while the sum is 25.
The square root of 142313254 is about 11929.5118927809. The cubic root of 142313254 is about 522.0936963287.
Adding to 142313254 its reverse (452313241), we get a palindrome (594626495).
The spelling of 142313254 in words is "one hundred forty-two million, three hundred thirteen thousand, two hundred fifty-four".
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