Base | Representation |
---|---|
bin | 111010010010010… |
… | …0001001010000000 |
3 | 12001022001101021020 |
4 | 1310210201022000 |
5 | 13001131330143 |
6 | 522022025440 |
7 | 66315300606 |
oct | 16444411200 |
9 | 5038041236 |
10 | 1955730048 |
11 | 913a5aa28 |
12 | 466b78280 |
13 | 25224711c |
14 | 147a53876 |
15 | b6a6a883 |
hex | 74921280 |
1955730048 has 96 divisors (see below), whose sum is σ = 5518779360. Its totient is φ = 613527552.
The previous prime is 1955730041. The next prime is 1955730061. The reversal of 1955730048 is 8400375591.
It is a tau number, because it is divible by the number of its divisors (96).
It is a junction number, because it is equal to n+sod(n) for n = 1955729991 and 1955730009.
It is not an unprimeable number, because it can be changed into a prime (1955730041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102165 + ... + 119787.
It is an arithmetic number, because the mean of its divisors is an integer number (57487285).
Almost surely, 21955730048 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 1955730048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2759389680).
1955730048 is an abundant number, since it is smaller than the sum of its proper divisors (3563049312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1955730048 is a wasteful number, since it uses less digits than its factorization.
1955730048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17674 (or 17645 counting only the distinct ones).
The product of its (nonzero) digits is 151200, while the sum is 42.
The square root of 1955730048 is about 44223.6367568295. The cubic root of 1955730048 is about 1250.5554966755. Note that the first 3 decimals are identical.
The spelling of 1955730048 in words is "one billion, nine hundred fifty-five million, seven hundred thirty thousand, forty-eight".
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