Base | Representation |
---|---|
bin | 11001001101011… |
… | …00111100000010 |
3 | 112201220220020010 |
4 | 30212230330002 |
5 | 413114102010 |
6 | 32552325350 |
7 | 5145324552 |
oct | 1446547402 |
9 | 481826203 |
10 | 211472130 |
11 | a9409161 |
12 | 5a9a3856 |
13 | 34a72c4c |
14 | 2012b162 |
15 | 13873620 |
hex | c9acf02 |
211472130 has 32 divisors (see below), whose sum is σ = 508065984. Its totient is φ = 56333376.
The previous prime is 211472119. The next prime is 211472141. The reversal of 211472130 is 31274112.
It is an interprime number because it is at equal distance from previous prime (211472119) and next prime (211472141).
It is a junction number, because it is equal to n+sod(n) for n = 211472097 and 211472106.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30552 + ... + 36828.
It is an arithmetic number, because the mean of its divisors is an integer number (15877062).
Almost surely, 2211472130 is an apocalyptic number.
211472130 is an abundant number, since it is smaller than the sum of its proper divisors (296593854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211472130 is a wasteful number, since it uses less digits than its factorization.
211472130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7410.
The product of its (nonzero) digits is 336, while the sum is 21.
The square root of 211472130 is about 14542.0813503432. The cubic root of 211472130 is about 595.7778870711. Note that the first 3 decimals are identical.
The spelling of 211472130 in words is "two hundred eleven million, four hundred seventy-two thousand, one hundred thirty".
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