Base | Representation |
---|---|
bin | 1111001011000… |
… | …11001111100000 |
3 | 22212111201002100 |
4 | 13211203033200 |
5 | 230041043232 |
6 | 20344050400 |
7 | 3103616640 |
oct | 745431740 |
9 | 285451070 |
10 | 127284192 |
11 | 65937552 |
12 | 36763a00 |
13 | 204a75b9 |
14 | 12c94520 |
15 | b293c7c |
hex | 79633e0 |
127284192 has 144 divisors (see below), whose sum is σ = 435576960. Its totient is φ = 34442496.
The previous prime is 127284137. The next prime is 127284193. The reversal of 127284192 is 291482721.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127284193) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36643 + ... + 39965.
It is an arithmetic number, because the mean of its divisors is an integer number (3024840).
Almost surely, 2127284192 is an apocalyptic number.
127284192 is a gapful number since it is divisible by the number (12) 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 127284192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217788480).
127284192 is an abundant number, since it is smaller than the sum of its proper divisors (308292768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127284192 is a wasteful number, since it uses less digits than its factorization.
127284192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3365 (or 3354 counting only the distinct ones).
The product of its digits is 16128, while the sum is 36.
The square root of 127284192 is about 11282.0296046412. The cubic root of 127284192 is about 503.0272241720.
The spelling of 127284192 in words is "one hundred twenty-seven million, two hundred eighty-four thousand, one hundred ninety-two".
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