Base | Representation |
---|---|
bin | 11001011100110… |
… | …00010001001100 |
3 | 112212201010211210 |
4 | 30232120101030 |
5 | 414123001440 |
6 | 33103414420 |
7 | 5201406066 |
oct | 1456302114 |
9 | 485633753 |
10 | 213484620 |
11 | aa563178 |
12 | 5b5b4410 |
13 | 352c8c7b |
14 | 204d2736 |
15 | 13b1ea80 |
hex | cb9844c |
213484620 has 48 divisors (see below), whose sum is σ = 623750400. Its totient is φ = 54453696.
The previous prime is 213484603. The next prime is 213484633. The reversal of 213484620 is 26484312.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 75970 + ... + 78729.
It is an arithmetic number, because the mean of its divisors is an integer number (12994800).
Almost surely, 2213484620 is an apocalyptic number.
213484620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213484620 is an abundant number, since it is smaller than the sum of its proper divisors (410265780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213484620 is a wasteful number, since it uses less digits than its factorization.
213484620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154734 (or 154732 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 213484620 is about 14611.1128939585. The cubic root of 213484620 is about 597.6618446629.
The spelling of 213484620 in words is "two hundred thirteen million, four hundred eighty-four thousand, six hundred twenty".
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