Base | Representation |
---|---|
bin | 10000111110001… |
… | …10111100100001 |
3 | 100220220021112210 |
4 | 20133012330201 |
5 | 242421411031 |
6 | 22043312333 |
7 | 3346101405 |
oct | 1037067441 |
9 | 326807483 |
10 | 142372641 |
11 | 73402744 |
12 | 3b81b6a9 |
13 | 2365b288 |
14 | 14ca1105 |
15 | c774746 |
hex | 87c6f21 |
142372641 has 8 divisors (see below), whose sum is σ = 190209600. Its totient is φ = 94725392.
The previous prime is 142372621. The next prime is 142372649. The reversal of 142372641 is 146273241.
142372641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142372641 - 26 = 142372577 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 142372599 and 142372608.
It is not an unprimeable number, because it can be changed into a prime (142372649) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45666 + ... + 48683.
It is an arithmetic number, because the mean of its divisors is an integer number (23776200).
Almost surely, 2142372641 is an apocalyptic number.
It is an amenable number.
142372641 is a deficient number, since it is larger than the sum of its proper divisors (47836959).
142372641 is an equidigital number, since it uses as much as digits as its factorization.
142372641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94855.
The product of its digits is 8064, while the sum is 30.
The square root of 142372641 is about 11932.0007123701. Note that the first 3 decimals coincide. The cubic root of 142372641 is about 522.1663090700.
The spelling of 142372641 in words is "one hundred forty-two million, three hundred seventy-two thousand, six hundred forty-one".
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