Base | Representation |
---|---|
bin | 11010010001001… |
… | …00111110001000 |
3 | 120100122001122201 |
4 | 31020210332020 |
5 | 422402234032 |
6 | 33510525544 |
7 | 5313651541 |
oct | 1510447610 |
9 | 510561581 |
10 | 220352392 |
11 | 103424017 |
12 | 619668b4 |
13 | 36861c40 |
14 | 2139d4c8 |
15 | 145298e7 |
hex | d224f88 |
220352392 has 32 divisors (see below), whose sum is σ = 446607000. Its totient is φ = 101320704.
The previous prime is 220352387. The next prime is 220352393. The reversal of 220352392 is 293253022.
220352392 is digitally balanced in base 3, 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 4 ways, for example, as 53787556 + 166564836 = 7334^2 + 12906^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 220352392.
It is not an unprimeable number, because it can be changed into a prime (220352393) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24984 + ... + 32632.
Almost surely, 2220352392 is an apocalyptic number.
It is an amenable number.
220352392 is an abundant number, since it is smaller than the sum of its proper divisors (226254608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220352392 is a wasteful number, since it uses less digits than its factorization.
220352392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7945 (or 7941 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 28.
The square root of 220352392 is about 14844.2713529496. The cubic root of 220352392 is about 604.0032235256.
The spelling of 220352392 in words is "two hundred twenty million, three hundred fifty-two thousand, three hundred ninety-two".
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