Base | Representation |
---|---|
bin | 10001000110010… |
… | …00011101111000 |
3 | 100222212212110201 |
4 | 20203020131320 |
5 | 243204134243 |
6 | 22122051544 |
7 | 3361053553 |
oct | 1043103570 |
9 | 328785421 |
10 | 143427448 |
11 | 73a6318a |
12 | 40049bb4 |
13 | 2393a418 |
14 | 1509769a |
15 | c8d204d |
hex | 88c8778 |
143427448 has 32 divisors (see below), whose sum is σ = 281302560. Its totient is φ = 68428800.
The previous prime is 143427443. The next prime is 143427451. The reversal of 143427448 is 844724341.
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143427443) 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, 109936 + ... + 111232.
It is an arithmetic number, because the mean of its divisors is an integer number (8790705).
Almost surely, 2143427448 is an apocalyptic number.
It is an amenable number.
143427448 is a deficient number, since it is larger than the sum of its proper divisors (137875112).
143427448 is a wasteful number, since it uses less digits than its factorization.
143427448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1927 (or 1923 counting only the distinct ones).
The product of its digits is 86016, while the sum is 37.
The square root of 143427448 is about 11976.1199058794. The cubic root of 143427448 is about 523.4526752140.
It can be divided in two parts, 1434 and 27448, that added together give a palindrome (28882).
The spelling of 143427448 in words is "one hundred forty-three million, four hundred twenty-seven thousand, four hundred forty-eight".
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