Base | Representation |
---|---|
bin | 10000110101100… |
… | …11011000100001 |
3 | 100211202221020221 |
4 | 20122303120201 |
5 | 242124301222 |
6 | 22003203041 |
7 | 3333360622 |
oct | 1032633041 |
9 | 324687227 |
10 | 141243937 |
11 | 7280172a |
12 | 3b376481 |
13 | 233545c3 |
14 | 14a89a49 |
15 | c6000c7 |
hex | 86b3621 |
141243937 has 4 divisors (see below), whose sum is σ = 141521940. Its totient is φ = 140965936.
The previous prime is 141243923. The next prime is 141243941. The reversal of 141243937 is 739342141.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 739342141 = 431 ⋅1715411.
It can be written as a sum of positive squares in 2 ways, for example, as 76457536 + 64786401 = 8744^2 + 8049^2 .
It is a cyclic number.
It is not a de Polignac number, because 141243937 - 211 = 141241889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (141243997) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138238 + ... + 139255.
It is an arithmetic number, because the mean of its divisors is an integer number (35380485).
Almost surely, 2141243937 is an apocalyptic number.
It is an amenable number.
141243937 is a deficient number, since it is larger than the sum of its proper divisors (278003).
141243937 is an equidigital number, since it uses as much as digits as its factorization.
141243937 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 278002.
The product of its digits is 18144, while the sum is 34.
The square root of 141243937 is about 11884.6092489404. The cubic root of 141243937 is about 520.7827670986.
The spelling of 141243937 in words is "one hundred forty-one million, two hundred forty-three thousand, nine hundred thirty-seven".
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