Base | Representation |
---|---|
bin | 1101110101110… |
… | …1101101111101 |
3 | 11001020112020112 |
4 | 3131131231331 |
5 | 104330234144 |
6 | 5432155405 |
7 | 1303315106 |
oct | 335355575 |
9 | 131215215 |
10 | 58055549 |
11 | 2a852aa2 |
12 | 17538b65 |
13 | c048bc6 |
14 | 79d33ad |
15 | 516b99e |
hex | 375db7d |
58055549 has 4 divisors (see below), whose sum is σ = 59471580. Its totient is φ = 56639520.
The previous prime is 58055539. The next prime is 58055563. The reversal of 58055549 is 94555085.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94555085 = 5 ⋅18911017.
It can be written as a sum of positive squares in 2 ways, for example, as 24820324 + 33235225 = 4982^2 + 5765^2 .
It is a cyclic number.
It is not a de Polignac number, because 58055549 - 24 = 58055533 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1415989 = 58055549 / (5 + 8 + 0 + 5 + 5 + 5 + 4 + 9).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (58055539) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707954 + ... + 708035.
It is an arithmetic number, because the mean of its divisors is an integer number (14867895).
Almost surely, 258055549 is an apocalyptic number.
It is an amenable number.
58055549 is a deficient number, since it is larger than the sum of its proper divisors (1416031).
58055549 is a wasteful number, since it uses less digits than its factorization.
58055549 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1416030.
The product of its (nonzero) digits is 180000, while the sum is 41.
The square root of 58055549 is about 7619.4192035876. The cubic root of 58055549 is about 387.2112012567.
The spelling of 58055549 in words is "fifty-eight million, fifty-five thousand, five hundred forty-nine".
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