Base | Representation |
---|---|
bin | 10000111111000… |
… | …10001100010111 |
3 | 100221002221122100 |
4 | 20133202030113 |
5 | 242433443442 |
6 | 22045533143 |
7 | 3350044653 |
oct | 1037421427 |
9 | 327087570 |
10 | 142484247 |
11 | 73479584 |
12 | 3b8741b3 |
13 | 2369a009 |
14 | 14ccda63 |
15 | c79784c |
hex | 87e2317 |
142484247 has 24 divisors (see below), whose sum is σ = 210285504. Its totient is φ = 92945664.
The previous prime is 142484239. The next prime is 142484257. The reversal of 142484247 is 742484241.
142484247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 142484247 - 23 = 142484239 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142484207) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89218 + ... + 90800.
It is an arithmetic number, because the mean of its divisors is an integer number (8761896).
Almost surely, 2142484247 is an apocalyptic number.
142484247 is a deficient number, since it is larger than the sum of its proper divisors (67801257).
142484247 is a wasteful number, since it uses less digits than its factorization.
142484247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1799 (or 1796 counting only the distinct ones).
The product of its digits is 57344, while the sum is 36.
The square root of 142484247 is about 11936.6765475152. The cubic root of 142484247 is about 522.3027155957.
The spelling of 142484247 in words is "one hundred forty-two million, four hundred eighty-four thousand, two hundred forty-seven".
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