Base | Representation |
---|---|
bin | 111010001111110… |
… | …0010100001101100 |
3 | 12001012121001222220 |
4 | 1310133202201230 |
5 | 13000313044230 |
6 | 521534035340 |
7 | 66301223616 |
oct | 16437424154 |
9 | 5035531886 |
10 | 1954424940 |
11 | 913249426 |
12 | 466648b50 |
13 | 251bab080 |
14 | 1477d3db6 |
15 | b68add10 |
hex | 747e286c |
1954424940 has 48 divisors (see below), whose sum is σ = 5893345248. Its totient is φ = 481089024.
The previous prime is 1954424921. The next prime is 1954424951. The reversal of 1954424940 is 494244591.
1954424940 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 1954424892 and 1954424901.
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, 1252057 + ... + 1253616.
It is an arithmetic number, because the mean of its divisors is an integer number (122778026).
Almost surely, 21954424940 is an apocalyptic number.
1954424940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1954424940 is an abundant number, since it is smaller than the sum of its proper divisors (3938920308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1954424940 is a wasteful number, since it uses less digits than its factorization.
1954424940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2505698 (or 2505696 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 42.
The square root of 1954424940 is about 44208.8785200439. The cubic root of 1954424940 is about 1250.2772590307.
The spelling of 1954424940 in words is "one billion, nine hundred fifty-four million, four hundred twenty-four thousand, nine hundred forty".
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