Base | Representation |
---|---|
bin | 10000111110111… |
… | …01011011100101 |
3 | 100221001221212220 |
4 | 20133131123211 |
5 | 242432332431 |
6 | 22045302553 |
7 | 3346634046 |
oct | 1037353345 |
9 | 327057786 |
10 | 142464741 |
11 | 73465961 |
12 | 3b864a59 |
13 | 23691183 |
14 | 14cc68cd |
15 | c791b96 |
hex | 87dd6e5 |
142464741 has 4 divisors (see below), whose sum is σ = 189952992. Its totient is φ = 94976492.
The previous prime is 142464671. The next prime is 142464757. The reversal of 142464741 is 147464241.
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.
It is a cyclic number.
It is not a de Polignac number, because 142464741 - 27 = 142464613 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142464241) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 23744121 + ... + 23744126.
It is an arithmetic number, because the mean of its divisors is an integer number (47488248).
Almost surely, 2142464741 is an apocalyptic number.
It is an amenable number.
142464741 is a deficient number, since it is larger than the sum of its proper divisors (47488251).
142464741 is an equidigital number, since it uses as much as digits as its factorization.
142464741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47488250.
The product of its digits is 21504, while the sum is 33.
The square root of 142464741 is about 11935.8594579527. The cubic root of 142464741 is about 522.2788802082.
The spelling of 142464741 in words is "one hundred forty-two million, four hundred sixty-four thousand, seven hundred forty-one".
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