Base | Representation |
---|---|
bin | 11001011100001… |
… | …01000101010111 |
3 | 112212120011001101 |
4 | 30232011011113 |
5 | 414112443124 |
6 | 33102010531 |
7 | 5200631020 |
oct | 1456050527 |
9 | 485504041 |
10 | 213406039 |
11 | aa50a130 |
12 | 5b576a47 |
13 | 3529c282 |
14 | 204b1c47 |
15 | 13b06644 |
hex | cb85157 |
213406039 has 16 divisors (see below), whose sum is σ = 267079680. Its totient is φ = 165656160.
The previous prime is 213406027. The next prime is 213406051. The reversal of 213406039 is 930604312.
213406039 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 (213406027) and next prime (213406051).
It is a cyclic number.
It is not a de Polignac number, because 213406039 - 25 = 213406007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 213405998 and 213406016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213406339) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15562 + ... + 25864.
It is an arithmetic number, because the mean of its divisors is an integer number (16692480).
Almost surely, 2213406039 is an apocalyptic number.
213406039 is a deficient number, since it is larger than the sum of its proper divisors (53673641).
213406039 is a wasteful number, since it uses less digits than its factorization.
213406039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10590.
The product of its (nonzero) digits is 3888, while the sum is 28.
The square root of 213406039 is about 14608.4235631364. The cubic root of 213406039 is about 597.5885050644.
The spelling of 213406039 in words is "two hundred thirteen million, four hundred six thousand, thirty-nine".
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