Base | Representation |
---|---|
bin | 110110010110… |
… | …1010010100100 |
3 | 1222121210121200 |
4 | 1230231102210 |
5 | 24243401220 |
6 | 2454442500 |
7 | 464135544 |
oct | 154552244 |
9 | 58553550 |
10 | 28497060 |
11 | 150a4299 |
12 | 9663430 |
13 | 5b99b87 |
14 | 3adb324 |
15 | 277d890 |
hex | 1b2d4a4 |
28497060 has 72 divisors (see below), whose sum is σ = 89246976. Its totient is φ = 7352640.
The previous prime is 28497041. The next prime is 28497071. The reversal of 28497060 is 6079482.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3027 + ... + 8133.
Almost surely, 228497060 is an apocalyptic number.
28497060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28497060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44623488).
28497060 is an abundant number, since it is smaller than the sum of its proper divisors (60749916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28497060 is a wasteful number, since it uses less digits than its factorization.
28497060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5153 (or 5148 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 28497060 is about 5338.2637626854. The cubic root of 28497060 is about 305.4452334630.
It can be divided in two parts, 284 and 97060, that added together give a square (97344 = 3122).
The spelling of 28497060 in words is "twenty-eight million, four hundred ninety-seven thousand, sixty".
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