Base | Representation |
---|---|
bin | 10000111101110… |
… | …11000000000101 |
3 | 100220210210102210 |
4 | 20132323000011 |
5 | 242413324332 |
6 | 22042254033 |
7 | 3345505644 |
oct | 1036730005 |
9 | 326723383 |
10 | 142323717 |
11 | 73379a08 |
12 | 3b7b7319 |
13 | 23641c23 |
14 | 14c8b35b |
15 | c764ecc |
hex | 87bb005 |
142323717 has 8 divisors (see below), whose sum is σ = 189820800. Its totient is φ = 94854560.
The previous prime is 142323703. The next prime is 142323721. The reversal of 142323717 is 717323241.
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 142323717 - 26 = 142323653 is a prime.
It is a super-3 number, since 3×1423237173 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142323787) 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, 13492 + ... + 21602.
It is an arithmetic number, because the mean of its divisors is an integer number (23727600).
Almost surely, 2142323717 is an apocalyptic number.
It is an amenable number.
142323717 is a deficient number, since it is larger than the sum of its proper divisors (47497083).
142323717 is an equidigital number, since it uses as much as digits as its factorization.
142323717 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13963.
The product of its digits is 7056, while the sum is 30.
The square root of 142323717 is about 11929.9504190085. The cubic root of 142323717 is about 522.1064909497.
Adding to 142323717 its reverse (717323241), we get a palindrome (859646958).
The spelling of 142323717 in words is "one hundred forty-two million, three hundred twenty-three thousand, seven hundred seventeen".
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