Base | Representation |
---|---|
bin | 11101010010011… |
… | …01011100101101 |
3 | 122010022001002220 |
4 | 32221031130231 |
5 | 1000343342023 |
6 | 40213505553 |
7 | 6042164631 |
oct | 1651153455 |
9 | 563261086 |
10 | 245684013 |
11 | 116756043 |
12 | 6a3422b9 |
13 | 3bb91073 |
14 | 248b4dc1 |
15 | 168803e3 |
hex | ea4d72d |
245684013 has 8 divisors (see below), whose sum is σ = 335568576. Its totient is φ = 159794400.
The previous prime is 245684011. The next prime is 245684039. The reversal of 245684013 is 310486542.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 245684013 - 21 = 245684011 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245684011) 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, 998593 + ... + 998838.
It is an arithmetic number, because the mean of its divisors is an integer number (41946072).
Almost surely, 2245684013 is an apocalyptic number.
It is an amenable number.
245684013 is a deficient number, since it is larger than the sum of its proper divisors (89884563).
245684013 is a wasteful number, since it uses less digits than its factorization.
245684013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1997475.
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 245684013 is about 15674.3106068497. The cubic root of 245684013 is about 626.3142588474.
The spelling of 245684013 in words is "two hundred forty-five million, six hundred eighty-four thousand, thirteen".
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