Base | Representation |
---|---|
bin | 10001000010000… |
… | …01110001101101 |
3 | 100221211211200201 |
4 | 20201001301231 |
5 | 243034011012 |
6 | 22102153501 |
7 | 3353265253 |
oct | 1041016155 |
9 | 327754621 |
10 | 142875757 |
11 | 73716742 |
12 | 3ba22891 |
13 | 237a628b |
14 | 14d925d3 |
15 | c823857 |
hex | 8841c6d |
142875757 has 8 divisors (see below), whose sum is σ = 148042080. Its totient is φ = 137801040.
The previous prime is 142875749. The next prime is 142875767. The reversal of 142875757 is 757578241.
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 142875757 - 23 = 142875749 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 (142875727) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19719 + ... + 25972.
It is an arithmetic number, because the mean of its divisors is an integer number (18505260).
Almost surely, 2142875757 is an apocalyptic number.
It is an amenable number.
142875757 is a deficient number, since it is larger than the sum of its proper divisors (5166323).
142875757 is an equidigital number, since it uses as much as digits as its factorization.
142875757 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45803.
The product of its digits is 548800, while the sum is 46.
The square root of 142875757 is about 11953.0647534429. The cubic root of 142875757 is about 522.7806625351.
The spelling of 142875757 in words is "one hundred forty-two million, eight hundred seventy-five thousand, seven hundred fifty-seven".
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