Base | Representation |
---|---|
bin | 111101000001010… |
… | …010111101110000 |
3 | 2122100100212222200 |
4 | 331001102331300 |
5 | 4044040000000 |
6 | 245330303200 |
7 | 34240505610 |
oct | 7501227560 |
9 | 2570325880 |
10 | 1023750000 |
11 | 485975589 |
12 | 246a27b00 |
13 | 134134440 |
14 | 99d70a40 |
15 | 5ed23500 |
hex | 3d052f70 |
1023750000 has 480 divisors, whose sum is σ = 4407801216. Its totient is φ = 216000000.
The previous prime is 1023749981. The next prime is 1023750023. The reversal of 1023750000 is 573201.
1023750000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 1625 × 1575 × 400.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 78749994 + ... + 78750006.
Almost surely, 21023750000 is an apocalyptic number.
1023750000 is a gapful number since it is divisible by the number (10) 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 1023750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2203900608).
1023750000 is an abundant number, since it is smaller than the sum of its proper divisors (3384051216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1023750000 is an frugal number, since it uses more digits than its factorization.
1023750000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69 (or 30 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 18.
The square root of 1023750000 is about 31996.0935115523. The cubic root of 1023750000 is about 1007.8548071297.
The spelling of 1023750000 in words is "one billion, twenty-three million, seven hundred fifty thousand".
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