Base | Representation |
---|---|
bin | 1100111101111111… |
… | …1000010001000000 |
3 | 22222121120100101112 |
4 | 3033133320101000 |
5 | 24112144200030 |
6 | 1333235022452 |
7 | 152161025423 |
oct | 31737702100 |
9 | 8877510345 |
10 | 3481240640 |
11 | 1527084689 |
12 | 811a3aa28 |
13 | 4362cbb07 |
14 | 2504b79ba |
15 | 155953a95 |
hex | cf7f8440 |
3481240640 has 28 divisors (see below), whose sum is σ = 8289705036. Its totient is φ = 1392496128.
The previous prime is 3481240639. The next prime is 3481240691. The reversal of 3481240640 is 460421843.
3481240640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 2069886016 + 1411354624 = 45496^2 + 37568^2 .
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a junction number, because it is equal to n+sod(n) for n = 3481240597 and 3481240606.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5439119 + ... + 5439758.
Almost surely, 23481240640 is an apocalyptic number.
It is an amenable number.
3481240640 is an abundant number, since it is smaller than the sum of its proper divisors (4808464396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3481240640 is a wasteful number, since it uses less digits than its factorization.
3481240640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10878894 (or 10878884 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 32.
The square root of 3481240640 is about 59002.0392867908. The cubic root of 3481240640 is about 1515.5770315155.
The spelling of 3481240640 in words is "three billion, four hundred eighty-one million, two hundred forty thousand, six hundred forty".
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