Base | Representation |
---|---|
bin | 1101110111100… |
… | …0000100100010 |
3 | 11001110000022100 |
4 | 3131320010202 |
5 | 104342212430 |
6 | 5434351230 |
7 | 1304244600 |
oct | 335700442 |
9 | 131400270 |
10 | 58163490 |
11 | 2a917100 |
12 | 1758b516 |
13 | c086088 |
14 | 7a20870 |
15 | 518d960 |
hex | 3778122 |
58163490 has 216 divisors, whose sum is σ = 195134940. Its totient is φ = 11975040.
The previous prime is 58163467. The next prime is 58163537. The reversal of 58163490 is 9436185.
58163490 is a `hidden beast` number, since 5 + 8 + 163 + 490 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 58110129 + 53361 = 7623^2 + 231^2 .
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 533556 + ... + 533664.
Almost surely, 258163490 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 58163490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97567470).
58163490 is an abundant number, since it is smaller than the sum of its proper divisors (136971450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
58163490 is a wasteful number, since it uses less digits than its factorization.
58163490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158 (or 137 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 58163490 is about 7626.4991968793. The cubic root of 58163490 is about 387.4510295383.
It can be divided in two parts, 58163 and 490, that added together give a triangular number (58653 = T342).
The spelling of 58163490 in words is "fifty-eight million, one hundred sixty-three thousand, four hundred ninety".
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