Base | Representation |
---|---|
bin | 110110010101… |
… | …0101000111000 |
3 | 1222121020201110 |
4 | 1230222220320 |
5 | 24243024300 |
6 | 2454320320 |
7 | 464062101 |
oct | 154525070 |
9 | 58536643 |
10 | 28486200 |
11 | 15097116 |
12 | 96590a0 |
13 | 5b94c52 |
14 | 3ad73a8 |
15 | 277a550 |
hex | 1b2aa38 |
28486200 has 96 divisors (see below), whose sum is σ = 89123760. Its totient is φ = 7526400.
The previous prime is 28486193. The next prime is 28486217. The reversal of 28486200 is 268482.
It is a happy number.
It is a super-2 number, since 2×284862002 = 1622927180880000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
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, 118080 + ... + 118320.
Almost surely, 228486200 is an apocalyptic number.
28486200 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 28486200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44561880).
28486200 is an abundant number, since it is smaller than the sum of its proper divisors (60637560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28486200 is a wasteful number, since it uses less digits than its factorization.
28486200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 457 (or 448 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 30.
The square root of 28486200 is about 5337.2464810987. The cubic root of 28486200 is about 305.4064276271.
The spelling of 28486200 in words is "twenty-eight million, four hundred eighty-six thousand, two hundred".
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