Base | Representation |
---|---|
bin | 10000111101000… |
… | …00110100100101 |
3 | 100220121100100020 |
4 | 20132200310211 |
5 | 242401411420 |
6 | 22040105353 |
7 | 3344551215 |
oct | 1036406445 |
9 | 326540306 |
10 | 142216485 |
11 | 73306394 |
12 | 3b765259 |
13 | 23605188 |
14 | 14c60245 |
15 | c743340 |
hex | 87a0d25 |
142216485 has 8 divisors (see below), whose sum is σ = 227546400. Its totient is φ = 75848784.
The previous prime is 142216471. The next prime is 142216513. The reversal of 142216485 is 584612241.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142216485 - 225 = 108662053 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4740535 + ... + 4740564.
It is an arithmetic number, because the mean of its divisors is an integer number (28443300).
Almost surely, 2142216485 is an apocalyptic number.
142216485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142216485 is a deficient number, since it is larger than the sum of its proper divisors (85329915).
142216485 is an equidigital number, since it uses as much as digits as its factorization.
142216485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9481107.
The product of its digits is 15360, while the sum is 33.
The square root of 142216485 is about 11925.4553372188. The cubic root of 142216485 is about 521.9753331660.
It can be divided in two parts, 14221 and 6485, that added together give a triangular number (20706 = T203).
The spelling of 142216485 in words is "one hundred forty-two million, two hundred sixteen thousand, four hundred eighty-five".
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