Base | Representation |
---|---|
bin | 10000111011111… |
… | …00100010111001 |
3 | 100220022210111222 |
4 | 20131330202321 |
5 | 242332133042 |
6 | 22033001425 |
7 | 3343362056 |
oct | 1035744271 |
9 | 326283458 |
10 | 142067897 |
11 | 73214794 |
12 | 3b6b3275 |
13 | 2358265a |
14 | 14c2202d |
15 | c7142d2 |
hex | 877c8b9 |
142067897 has 8 divisors (see below), whose sum is σ = 147944640. Its totient is φ = 136256400.
The previous prime is 142067837. The next prime is 142067909. The reversal of 142067897 is 798760241.
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 142067897 - 214 = 142051513 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142067837) 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, 11843 + ... + 20600.
It is an arithmetic number, because the mean of its divisors is an integer number (18493080).
Almost surely, 2142067897 is an apocalyptic number.
It is an amenable number.
142067897 is a deficient number, since it is larger than the sum of its proper divisors (5876743).
142067897 is a wasteful number, since it uses less digits than its factorization.
142067897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32623.
The product of its (nonzero) digits is 169344, while the sum is 44.
The square root of 142067897 is about 11919.2238421803. The cubic root of 142067897 is about 521.7934829446.
The spelling of 142067897 in words is "one hundred forty-two million, sixty-seven thousand, eight hundred ninety-seven".
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