Base | Representation |
---|---|
bin | 101010111010100… |
… | …1100001100010100 |
3 | 10201100121221011002 |
4 | 1111311030030110 |
5 | 10422120210212 |
6 | 354520202432 |
7 | 50453566640 |
oct | 12565141424 |
9 | 3640557132 |
10 | 1440006932 |
11 | 679934581 |
12 | 342309418 |
13 | 19c448510 |
14 | d9367c20 |
15 | 86648ac2 |
hex | 55d4c314 |
1440006932 has 48 divisors (see below), whose sum is σ = 3120257280. Its totient is φ = 566237952.
The previous prime is 1440006929. The next prime is 1440006943. The reversal of 1440006932 is 2396000441.
It is a junction number, because it is equal to n+sod(n) for n = 1440006895 and 1440006904.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48944 + ... + 72632.
It is an arithmetic number, because the mean of its divisors is an integer number (65005360).
Almost surely, 21440006932 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1440006932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560128640).
1440006932 is an abundant number, since it is smaller than the sum of its proper divisors (1680250348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1440006932 is a wasteful number, since it uses less digits than its factorization.
1440006932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23880 (or 23878 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 29.
The square root of 1440006932 is about 37947.4232590304. The cubic root of 1440006932 is about 1129.2450466715.
The spelling of 1440006932 in words is "one billion, four hundred forty million, six thousand, nine hundred thirty-two".
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