Base | Representation |
---|---|
bin | 101011000000000… |
… | …0101110101110100 |
3 | 10201120000002222221 |
4 | 1112000011311310 |
5 | 10423333131000 |
6 | 355101332124 |
7 | 50520101020 |
oct | 12600056564 |
9 | 3646002887 |
10 | 1442864500 |
11 | 680506500 |
12 | 343267044 |
13 | 19cc0909c |
14 | d98ad380 |
15 | 86a1061a |
hex | 56005d74 |
1442864500 has 144 divisors (see below), whose sum is σ = 3959714304. Its totient is φ = 449592000.
The previous prime is 1442864483. The next prime is 1442864513. The reversal of 1442864500 is 54682441.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 421797 + ... + 425203.
It is an arithmetic number, because the mean of its divisors is an integer number (27498016).
Almost surely, 21442864500 is an apocalyptic number.
1442864500 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 1442864500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1979857152).
1442864500 is an abundant number, since it is smaller than the sum of its proper divisors (2516849804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442864500 is a wasteful number, since it uses less digits than its factorization.
1442864500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3455 (or 3432 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 34.
The square root of 1442864500 is about 37985.0562721710. The cubic root of 1442864500 is about 1129.9915158472.
The spelling of 1442864500 in words is "one billion, four hundred forty-two million, eight hundred sixty-four thousand, five hundred".
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