Base | Representation |
---|---|
bin | 10000111011100… |
… | …11011011010111 |
3 | 100220020220021210 |
4 | 20131303123113 |
5 | 242324434201 |
6 | 22032112503 |
7 | 3343145145 |
oct | 1035633327 |
9 | 326226253 |
10 | 142030551 |
11 | 73199723 |
12 | 3b695733 |
13 | 2356b660 |
14 | 14c12595 |
15 | c7081d6 |
hex | 87736d7 |
142030551 has 8 divisors (see below), whose sum is σ = 203941360. Its totient is φ = 87403392.
The previous prime is 142030517. The next prime is 142030621. The reversal of 142030551 is 155030241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142030551 - 210 = 142029527 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 (142031551) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820866 + ... + 1820943.
It is an arithmetic number, because the mean of its divisors is an integer number (25492670).
Almost surely, 2142030551 is an apocalyptic number.
142030551 is a deficient number, since it is larger than the sum of its proper divisors (61910809).
142030551 is a wasteful number, since it uses less digits than its factorization.
142030551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3641825.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 142030551 is about 11917.6571103552. The cubic root of 142030551 is about 521.7477569042.
Adding to 142030551 its reverse (155030241), we get a palindrome (297060792).
The spelling of 142030551 in words is "one hundred forty-two million, thirty thousand, five hundred fifty-one".
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