Base | Representation |
---|---|
bin | 110110000100… |
… | …0111011000101 |
3 | 1222100020021200 |
4 | 1230020323011 |
5 | 24224114401 |
6 | 2451333113 |
7 | 462645345 |
oct | 154107305 |
9 | 58306250 |
10 | 28348101 |
11 | 15002391 |
12 | 95b1199 |
13 | 5b47132 |
14 | 3a9cd25 |
15 | 274e686 |
hex | 1b08ec5 |
28348101 has 12 divisors (see below), whose sum is σ = 41041728. Its totient is φ = 18855144.
The previous prime is 28348093. The next prime is 28348127. The reversal of 28348101 is 10184382.
It is not a de Polignac number, because 28348101 - 23 = 28348093 is a prime.
It is a super-2 number, since 2×283481012 = 1607229660612402, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28348141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 766 + ... + 7568.
It is an arithmetic number, because the mean of its divisors is an integer number (3420144).
Almost surely, 228348101 is an apocalyptic number.
It is an amenable number.
28348101 is a deficient number, since it is larger than the sum of its proper divisors (12693627).
28348101 is a wasteful number, since it uses less digits than its factorization.
28348101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7272 (or 7269 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
The square root of 28348101 is about 5324.2934742555. The cubic root of 28348101 is about 304.9120986502.
It can be divided in two parts, 283 and 48101, that added together give a palindrome (48384).
The spelling of 28348101 in words is "twenty-eight million, three hundred forty-eight thousand, one hundred one".
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