Base | Representation |
---|---|
bin | 100010000011000… |
… | …1111011100010000 |
3 | 2221121210100020221 |
4 | 1010012033130100 |
5 | 4314434034200 |
6 | 305211242424 |
7 | 40211656210 |
oct | 10406173420 |
9 | 2847710227 |
10 | 1142486800 |
11 | 5369a4274 |
12 | 27a749414 |
13 | 1529083c0 |
14 | aba3c240 |
15 | 6a47991a |
hex | 4418f710 |
1142486800 has 120 divisors (see below), whose sum is σ = 3378353216. Its totient is φ = 361566720.
The previous prime is 1142486753. The next prime is 1142486809. The reversal of 1142486800 is 86842411.
It is not an unprimeable number, because it can be changed into a prime (1142486809) 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, 20707 + ... + 52093.
Almost surely, 21142486800 is an apocalyptic number.
1142486800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1142486800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1689176608).
1142486800 is an abundant number, since it is smaller than the sum of its proper divisors (2235866416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1142486800 is a wasteful number, since it uses less digits than its factorization.
1142486800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31425 (or 31414 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 34.
The square root of 1142486800 is about 33800.6923006024. The cubic root of 1142486800 is about 1045.4029718042.
The spelling of 1142486800 in words is "one billion, one hundred forty-two million, four hundred eighty-six thousand, eight hundred".
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