Base | Representation |
---|---|
bin | 101011000000000… |
… | …0100000100001110 |
3 | 10201112222202000200 |
4 | 1112000010010032 |
5 | 10423332412410 |
6 | 355101234330 |
7 | 50520040563 |
oct | 12600040416 |
9 | 3645882020 |
10 | 1442857230 |
11 | 680500aa1 |
12 | 3432629a6 |
13 | 19cc05999 |
14 | d98aa86a |
15 | 86a0d3c0 |
hex | 5600410e |
1442857230 has 96 divisors (see below), whose sum is σ = 3846196224. Its totient is φ = 375108288.
The previous prime is 1442857223. The next prime is 1442857301. The reversal of 1442857230 is 327582441.
It is a happy number.
1442857230 is a `hidden beast` number, since 14 + 42 + 8 + 572 + 30 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1467319 + ... + 1468301.
It is an arithmetic number, because the mean of its divisors is an integer number (40064544).
Almost surely, 21442857230 is an apocalyptic number.
1442857230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1442857230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1923098112).
1442857230 is an abundant number, since it is smaller than the sum of its proper divisors (2403338994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442857230 is a wasteful number, since it uses less digits than its factorization.
1442857230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1390 (or 1387 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 36.
The square root of 1442857230 is about 37984.9605765229. The cubic root of 1442857230 is about 1129.9896179901.
The spelling of 1442857230 in words is "one billion, four hundred forty-two million, eight hundred fifty-seven thousand, two hundred thirty".
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