Base | Representation |
---|---|
bin | 1010111010001101… |
… | …0001011001101100 |
3 | 21120002110021221121 |
4 | 2232203101121230 |
5 | 21444142410100 |
6 | 1202331310324 |
7 | 132366454051 |
oct | 25643213154 |
9 | 7502407847 |
10 | 2928481900 |
11 | 1273062883 |
12 | 6988ab3a4 |
13 | 378933a36 |
14 | 1dad0b028 |
15 | 12216851a |
hex | ae8d166c |
2928481900 has 72 divisors (see below), whose sum is σ = 6740131104. Its totient is φ = 1102041600.
The previous prime is 2928481861. The next prime is 2928481921. The reversal of 2928481900 is 91848292.
2928481900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×29284819002 = 17152012477255220000, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129864 + ... + 150736.
It is an arithmetic number, because the mean of its divisors is an integer number (93612932).
Almost surely, 22928481900 is an apocalyptic number.
2928481900 is a gapful number since it is divisible by the number (20) 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 2928481900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3370065552).
2928481900 is an abundant number, since it is smaller than the sum of its proper divisors (3811649204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2928481900 is a wasteful number, since it uses less digits than its factorization.
2928481900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20971 (or 20964 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 43.
The square root of 2928481900 is about 54115.4497348031. The cubic root of 2928481900 is about 1430.6964999968.
The spelling of 2928481900 in words is "two billion, nine hundred twenty-eight million, four hundred eighty-one thousand, nine hundred".
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