Base | Representation |
---|---|
bin | 10000111101001… |
… | …10111110100001 |
3 | 100220122121221000 |
4 | 20132212332201 |
5 | 242403213242 |
6 | 22040422213 |
7 | 3345014553 |
oct | 1036467641 |
9 | 326577830 |
10 | 142241697 |
11 | 73323324 |
12 | 3b777969 |
13 | 236137b0 |
14 | 14c694d3 |
15 | c74aa4c |
hex | 87a6fa1 |
142241697 has 16 divisors (see below), whose sum is σ = 226938880. Its totient is φ = 87533136.
The previous prime is 142241689. The next prime is 142241699. The reversal of 142241697 is 796142241.
It is a happy number.
It is not a de Polignac number, because 142241697 - 23 = 142241689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142241699) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202273 + ... + 202974.
It is an arithmetic number, because the mean of its divisors is an integer number (14183680).
Almost surely, 2142241697 is an apocalyptic number.
It is an amenable number.
142241697 is a deficient number, since it is larger than the sum of its proper divisors (84697183).
142241697 is a wasteful number, since it uses less digits than its factorization.
142241697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 405269 (or 405263 counting only the distinct ones).
The product of its digits is 24192, while the sum is 36.
The square root of 142241697 is about 11926.5123569298. The cubic root of 142241697 is about 522.0061764364.
The spelling of 142241697 in words is "one hundred forty-two million, two hundred forty-one thousand, six hundred ninety-seven".
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