Base | Representation |
---|---|
bin | 11001011010100… |
… | …00010100101111 |
3 | 112212011011121112 |
4 | 30231100110233 |
5 | 414034034220 |
6 | 33053222235 |
7 | 5166041000 |
oct | 1455202457 |
9 | 485134545 |
10 | 213189935 |
11 | aa381832 |
12 | 5b49197b |
13 | 35224aba |
14 | 204571a7 |
15 | 13ab25c5 |
hex | cb5052f |
213189935 has 16 divisors (see below), whose sum is σ = 298344000. Its totient is φ = 146186208.
The previous prime is 213189929. The next prime is 213189941. The reversal of 213189935 is 539981312.
213189935 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (213189929) and next prime (213189941).
It is not a de Polignac number, because 213189935 - 26 = 213189871 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 213189892 and 213189901.
It is a congruent number.
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, 60440 + ... + 63869.
It is an arithmetic number, because the mean of its divisors is an integer number (18646500).
Almost surely, 2213189935 is an apocalyptic number.
213189935 is a deficient number, since it is larger than the sum of its proper divisors (85154065).
213189935 is an equidigital number, since it uses as much as digits as its factorization.
213189935 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124335 (or 124321 counting only the distinct ones).
The product of its digits is 58320, while the sum is 41.
The square root of 213189935 is about 14601.0251352431. The cubic root of 213189935 is about 597.3867224551.
The spelling of 213189935 in words is "two hundred thirteen million, one hundred eighty-nine thousand, nine hundred thirty-five".
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