Base | Representation |
---|---|
bin | 100000010011000… |
… | …1010011001010000 |
3 | 2210112020222212000 |
4 | 1000212022121100 |
5 | 4204414331442 |
6 | 255312234000 |
7 | 35566454646 |
oct | 10046123120 |
9 | 2715228760 |
10 | 1083745872 |
11 | 506823350 |
12 | 262b3b900 |
13 | 1436ac561 |
14 | a3d0b196 |
15 | 65224d4c |
hex | 4098a650 |
1083745872 has 80 divisors (see below), whose sum is σ = 3393562560. Its totient is φ = 328406400.
The previous prime is 1083745867. The next prime is 1083745877. The reversal of 1083745872 is 2785473801.
It is an interprime number because it is at equal distance from previous prime (1083745867) and next prime (1083745877).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1083745877) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109279 + ... + 118782.
It is an arithmetic number, because the mean of its divisors is an integer number (42419532).
Almost surely, 21083745872 is an apocalyptic number.
1083745872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1083745872 is an abundant number, since it is smaller than the sum of its proper divisors (2309816688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1083745872 is a wasteful number, since it uses less digits than its factorization.
1083745872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228089 (or 228077 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 45.
The square root of 1083745872 is about 32920.2957459376. The cubic root of 1083745872 is about 1027.1703753794.
The spelling of 1083745872 in words is "one billion, eighty-three million, seven hundred forty-five thousand, eight hundred seventy-two".
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