Base | Representation |
---|---|
bin | 1100001010010… |
… | …11011110111110 |
3 | 21002222012120120 |
4 | 12011023132332 |
5 | 202104133204 |
6 | 14042355410 |
7 | 2346110322 |
oct | 605133676 |
9 | 232865516 |
10 | 102021054 |
11 | 52651a23 |
12 | 2a1bbb66 |
13 | 181a06b5 |
14 | d799982 |
15 | 8e536d9 |
hex | 614b7be |
102021054 has 16 divisors (see below), whose sum is σ = 212913792. Its totient is φ = 32528408.
The previous prime is 102021037. The next prime is 102021083. The reversal of 102021054 is 450120201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369504 + ... + 369779.
It is an arithmetic number, because the mean of its divisors is an integer number (13307112).
Almost surely, 2102021054 is an apocalyptic number.
102021054 is an abundant number, since it is smaller than the sum of its proper divisors (110892738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102021054 is a wasteful number, since it uses less digits than its factorization.
102021054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 739311.
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 102021054 is about 10100.5472128989. The cubic root of 102021054 is about 467.2650180778.
Adding to 102021054 its reverse (450120201), we get a palindrome (552141255).
The spelling of 102021054 in words is "one hundred two million, twenty-one thousand, fifty-four".
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