Base | Representation |
---|---|
bin | 11001011010010… |
… | …01001100000000 |
3 | 112212002200111220 |
4 | 30231021030000 |
5 | 414032120304 |
6 | 33052435040 |
7 | 5165556531 |
oct | 1455111400 |
9 | 485080456 |
10 | 213160704 |
11 | aa361879 |
12 | 5b478a80 |
13 | 352146c3 |
14 | 2044a688 |
15 | 13aa8ad9 |
hex | cb49300 |
213160704 has 72 divisors (see below), whose sum is σ = 569515632. Its totient is φ = 70778880.
The previous prime is 213160693. The next prime is 213160709. The reversal of 213160704 is 407061312.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (213160709) 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, 332224 + ... + 332864.
Almost surely, 2213160704 is an apocalyptic number.
213160704 is a gapful number since it is divisible by the number (24) 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 213160704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284757816).
213160704 is an abundant number, since it is smaller than the sum of its proper divisors (356354928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213160704 is an equidigital number, since it uses as much as digits as its factorization.
213160704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1093 (or 1079 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 213160704 is about 14600.0241095691. The cubic root of 213160704 is about 597.3594181494.
It can be divided in two parts, 2131 and 60704, that added together give a triangular number (62835 = T354).
The spelling of 213160704 in words is "two hundred thirteen million, one hundred sixty thousand, seven hundred four".
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