Base | Representation |
---|---|
bin | 1101001000010… |
… | …0101100010010 |
3 | 10211121211002120 |
4 | 3102010230102 |
5 | 103044210313 |
6 | 5244155110 |
7 | 1236040233 |
oct | 322045422 |
9 | 124554076 |
10 | 55069458 |
11 | 290a3554 |
12 | 16538a96 |
13 | b5419a2 |
14 | 745708a |
15 | 4c7bd23 |
hex | 3484b12 |
55069458 has 32 divisors (see below), whose sum is σ = 112522560. Its totient is φ = 17962560.
The previous prime is 55069447. The next prime is 55069459. The reversal of 55069458 is 85496055.
It is not an unprimeable number, because it can be changed into a prime (55069459) 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, 138516 + ... + 138912.
It is an arithmetic number, because the mean of its divisors is an integer number (3516330).
Almost surely, 255069458 is an apocalyptic number.
55069458 is an abundant number, since it is smaller than the sum of its proper divisors (57453102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55069458 is a wasteful number, since it uses less digits than its factorization.
55069458 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 842.
The product of its (nonzero) digits is 216000, while the sum is 42.
The square root of 55069458 is about 7420.8798669700. The cubic root of 55069458 is about 380.4552668979.
The spelling of 55069458 in words is "fifty-five million, sixty-nine thousand, four hundred fifty-eight".
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