Base | Representation |
---|---|
bin | 10001000110000… |
… | …01010100001101 |
3 | 100222211101021212 |
4 | 20203001110031 |
5 | 243202220112 |
6 | 22121304205 |
7 | 3360602300 |
oct | 1043012415 |
9 | 328741255 |
10 | 143398157 |
11 | 73a43181 |
12 | 40035065 |
13 | 23929ca6 |
14 | 1508ab37 |
15 | c8c8522 |
hex | 88c150d |
143398157 has 24 divisors (see below), whose sum is σ = 174885120. Its totient is φ = 117089280.
The previous prime is 143398139. The next prime is 143398181. The reversal of 143398157 is 751893341.
It is not a de Polignac number, because 143398157 - 26 = 143398093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143398117) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101069 + ... + 102477.
It is an arithmetic number, because the mean of its divisors is an integer number (7286880).
Almost surely, 2143398157 is an apocalyptic number.
It is an amenable number.
143398157 is a deficient number, since it is larger than the sum of its proper divisors (31486963).
143398157 is a wasteful number, since it uses less digits than its factorization.
143398157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1521 (or 1514 counting only the distinct ones).
The product of its digits is 90720, while the sum is 41.
The square root of 143398157 is about 11974.8969515399. The cubic root of 143398157 is about 523.4170393196.
The spelling of 143398157 in words is "one hundred forty-three million, three hundred ninety-eight thousand, one hundred fifty-seven".
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