Base | Representation |
---|---|
bin | 111110110100101… |
… | …001000110011100 |
3 | 2201110021002200000 |
4 | 332310221012130 |
5 | 4124310042403 |
6 | 252330334300 |
7 | 35055513030 |
oct | 7664510634 |
9 | 2643232600 |
10 | 1053987228 |
11 | 4a0a48228 |
12 | 254b8a390 |
13 | 13a4903a8 |
14 | 9dda21c0 |
15 | 627e77a3 |
hex | 3ed2919c |
1053987228 has 288 divisors, whose sum is σ = 3444080640. Its totient is φ = 275037120.
The previous prime is 1053987227. The next prime is 1053987239. The reversal of 1053987228 is 8227893501.
It is a happy number.
1053987228 is a `hidden beast` number, since 10 + 539 + 87 + 2 + 28 = 666.
It is a super-2 number, since 2×10539872282 = 2221778153574247968, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1053987227) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4007425 + ... + 4007687.
Almost surely, 21053987228 is an apocalyptic number.
1053987228 is a gapful number since it is divisible by the number (18) 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 1053987228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1722040320).
1053987228 is an abundant number, since it is smaller than the sum of its proper divisors (2390093412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1053987228 is a wasteful number, since it uses less digits than its factorization.
1053987228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339 (or 325 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 45.
The square root of 1053987228 is about 32465.1694589756. The cubic root of 1053987228 is about 1017.6812727118.
The spelling of 1053987228 in words is "one billion, fifty-three million, nine hundred eighty-seven thousand, two hundred twenty-eight".
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