Base | Representation |
---|---|
bin | 1110110101000… |
… | …11100111011111 |
3 | 22200002021122210 |
4 | 13122203213133 |
5 | 223321332033 |
6 | 20202211503 |
7 | 3040254315 |
oct | 732434737 |
9 | 280067583 |
10 | 124402143 |
11 | 64249198 |
12 | 357b3b93 |
13 | 1ca08848 |
14 | 127440b5 |
15 | adc4d63 |
hex | 76a39df |
124402143 has 8 divisors (see below), whose sum is σ = 167868288. Its totient is φ = 81935384.
The previous prime is 124402127. The next prime is 124402171. The reversal of 124402143 is 341204421.
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 124402143 - 24 = 124402127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124402043) 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, 249555 + ... + 250052.
It is an arithmetic number, because the mean of its divisors is an integer number (20983536).
Almost surely, 2124402143 is an apocalyptic number.
124402143 is a deficient number, since it is larger than the sum of its proper divisors (43466145).
124402143 is an equidigital number, since it uses as much as digits as its factorization.
124402143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 499693.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 124402143 is about 11153.5708631810. The cubic root of 124402143 is about 499.2015830728.
Adding to 124402143 its reverse (341204421), we get a palindrome (465606564).
The spelling of 124402143 in words is "one hundred twenty-four million, four hundred two thousand, one hundred forty-three".
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