Base | Representation |
---|---|
bin | 100010000011101… |
… | …1111011100001010 |
3 | 2221122101222202000 |
4 | 1010013133130022 |
5 | 4320030030344 |
6 | 305222251430 |
7 | 40214522424 |
oct | 10407373412 |
9 | 2848358660 |
10 | 1142814474 |
11 | 5370a847a |
12 | 27a886b76 |
13 | 1529c15a9 |
14 | abac5814 |
15 | 6a4e1a69 |
hex | 441df70a |
1142814474 has 48 divisors (see below), whose sum is σ = 2572899840. Its totient is φ = 376005240.
The previous prime is 1142814437. The next prime is 1142814479. The reversal of 1142814474 is 4744182411.
It is not an unprimeable number, because it can be changed into a prime (1142814479) 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, 335319 + ... + 338709.
It is an arithmetic number, because the mean of its divisors is an integer number (53602080).
Almost surely, 21142814474 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1142814474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286449920).
1142814474 is an abundant number, since it is smaller than the sum of its proper divisors (1430085366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1142814474 is an equidigital number, since it uses as much as digits as its factorization.
1142814474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3560 (or 3475 counting only the distinct ones).
The product of its digits is 28672, while the sum is 36.
The square root of 1142814474 is about 33805.5391023424. The cubic root of 1142814474 is about 1045.5029054548.
Adding to 1142814474 its reverse (4744182411), we get a palindrome (5886996885).
The spelling of 1142814474 in words is "one billion, one hundred forty-two million, eight hundred fourteen thousand, four hundred seventy-four".
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