Base | Representation |
---|---|
bin | 10000111101101… |
… | …11110101011001 |
3 | 100220210010122100 |
4 | 20132313311121 |
5 | 242412420440 |
6 | 22042114013 |
7 | 3345423063 |
oct | 1036676531 |
9 | 326703570 |
10 | 142310745 |
11 | 73370195 |
12 | 3b7ab909 |
13 | 23639055 |
14 | 14c86733 |
15 | c761230 |
hex | 87b7d59 |
142310745 has 24 divisors (see below), whose sum is σ = 247059072. Its totient is φ = 75780000.
The previous prime is 142310687. The next prime is 142310789. The reversal of 142310745 is 547013241.
It is not a de Polignac number, because 142310745 - 26 = 142310681 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31690 + ... + 35900.
It is an arithmetic number, because the mean of its divisors is an integer number (10294128).
Almost surely, 2142310745 is an apocalyptic number.
142310745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142310745 is a deficient number, since it is larger than the sum of its proper divisors (104748327).
142310745 is a wasteful number, since it uses less digits than its factorization.
142310745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4973 (or 4970 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 142310745 is about 11929.4067329436. The cubic root of 142310745 is about 522.0906281188.
Adding to 142310745 its reverse (547013241), we get a palindrome (689323986).
The spelling of 142310745 in words is "one hundred forty-two million, three hundred ten thousand, seven hundred forty-five".
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