Base | Representation |
---|---|
bin | 10000111110110… |
… | …10000000111010 |
3 | 100221001020200120 |
4 | 20133122000322 |
5 | 242431410441 |
6 | 22045114110 |
7 | 3346545204 |
oct | 1037320072 |
9 | 327036616 |
10 | 142450746 |
11 | 73456399 |
12 | 3b858936 |
13 | 236879a9 |
14 | 14cc1774 |
15 | c78c966 |
hex | 87da03a |
142450746 has 32 divisors (see below), whose sum is σ = 289616640. Its totient is φ = 46702656.
The previous prime is 142450741. The next prime is 142450757. The reversal of 142450746 is 647054241.
It is not an unprimeable number, because it can be changed into a prime (142450741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187800 + ... + 188556.
It is an arithmetic number, because the mean of its divisors is an integer number (9050520).
Almost surely, 2142450746 is an apocalyptic number.
142450746 is an abundant number, since it is smaller than the sum of its proper divisors (147165894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142450746 is a wasteful number, since it uses less digits than its factorization.
142450746 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1238.
The product of its (nonzero) digits is 26880, while the sum is 33.
The square root of 142450746 is about 11935.2731849757. The cubic root of 142450746 is about 522.2617776554.
The spelling of 142450746 in words is "one hundred forty-two million, four hundred fifty thousand, seven hundred forty-six".
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