Base | Representation |
---|---|
bin | 11110100110100… |
… | …010101100010111 |
3 | 1022210002102220121 |
4 | 132212202230113 |
5 | 2022413420210 |
6 | 122540212411 |
7 | 15502666321 |
oct | 3646425427 |
9 | 1283072817 |
10 | 513420055 |
11 | 2438a30a5 |
12 | 123b3a107 |
13 | 824a3565 |
14 | 4c28a611 |
15 | 301196da |
hex | 1e9a2b17 |
513420055 has 8 divisors (see below), whose sum is σ = 616232592. Its totient is φ = 410650368.
The previous prime is 513420049. The next prime is 513420059. The reversal of 513420055 is 550024315.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 513420055 - 211 = 513418007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (513420059) 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, 29127 + ... + 43303.
It is an arithmetic number, because the mean of its divisors is an integer number (77029074).
Almost surely, 2513420055 is an apocalyptic number.
513420055 is a deficient number, since it is larger than the sum of its proper divisors (102812537).
513420055 is a wasteful number, since it uses less digits than its factorization.
513420055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21425.
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 513420055 is about 22658.7743490243. The cubic root of 513420055 is about 800.7389292485.
The spelling of 513420055 in words is "five hundred thirteen million, four hundred twenty thousand, fifty-five".
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