Base | Representation |
---|---|
bin | 100000000011010… |
… | …0111010111010000 |
3 | 2202221200211121111 |
4 | 1000012213113100 |
5 | 4200310212140 |
6 | 254415103104 |
7 | 35436252211 |
oct | 10006472720 |
9 | 2687624544 |
10 | 1075475920 |
11 | 502094a82 |
12 | 260211a94 |
13 | 141a752ac |
14 | a2b97408 |
15 | 6463e7ea |
hex | 401a75d0 |
1075475920 has 40 divisors (see below), whose sum is σ = 2561476680. Its totient is φ = 419696640.
The previous prime is 1075475909. The next prime is 1075475941. The reversal of 1075475920 is 295745701.
It can be written as a sum of positive squares in 4 ways, for example, as 89264704 + 986211216 = 9448^2 + 31404^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160665 + ... + 167224.
It is an arithmetic number, because the mean of its divisors is an integer number (64036917).
Almost surely, 21075475920 is an apocalyptic number.
1075475920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1075475920 is an abundant number, since it is smaller than the sum of its proper divisors (1486000760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1075475920 is a wasteful number, since it uses less digits than its factorization.
1075475920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 327943 (or 327937 counting only the distinct ones).
The product of its (nonzero) digits is 88200, while the sum is 40.
The square root of 1075475920 is about 32794.4495303702. The cubic root of 1075475920 is about 1024.5509577794.
The spelling of 1075475920 in words is "one billion, seventy-five million, four hundred seventy-five thousand, nine hundred twenty".
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