Base | Representation |
---|---|
bin | 101000111111100… |
… | …0000010111000000 |
3 | 10112212012011112212 |
4 | 1101333000113000 |
5 | 10304110033130 |
6 | 344253041252 |
7 | 46041211436 |
oct | 12177002700 |
9 | 3485164485 |
10 | 1375471040 |
11 | 646465829 |
12 | 324786228 |
13 | 18bc70ab8 |
14 | d0968d56 |
15 | 80b4be95 |
hex | 51fc05c0 |
1375471040 has 56 divisors (see below), whose sum is σ = 3278672640. Its totient is φ = 549628928.
The previous prime is 1375471033. The next prime is 1375471043. The reversal of 1375471040 is 401745731.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a junction number, because it is equal to n+sod(n) for n = 1375470988 and 1375471006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1375471043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476321 + ... + 479199.
Almost surely, 21375471040 is an apocalyptic number.
1375471040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1375471040 is an abundant number, since it is smaller than the sum of its proper divisors (1903201600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1375471040 is a wasteful number, since it uses less digits than its factorization.
1375471040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4389 (or 4379 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 32.
The square root of 1375471040 is about 37087.3433936700. The cubic root of 1375471040 is about 1112.1170106155.
The spelling of 1375471040 in words is "one billion, three hundred seventy-five million, four hundred seventy-one thousand, forty".
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