Base | Representation |
---|---|
bin | 101101010011001… |
… | …0101111101110000 |
3 | 10220221011001012220 |
4 | 1122212111331300 |
5 | 11103110012010 |
6 | 410454521040 |
7 | 52444536306 |
oct | 13246257560 |
9 | 3827131186 |
10 | 1520000880 |
11 | 710001182 |
12 | 365066180 |
13 | 1b2ba5c08 |
14 | 105c2c276 |
15 | 8d69a970 |
hex | 5a995f70 |
1520000880 has 40 divisors (see below), whose sum is σ = 4712003472. Its totient is φ = 405333504.
The previous prime is 1520000879. The next prime is 1520000891. The reversal of 1520000880 is 880000251.
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 (24).
It is a self number, because there is not a number n which added to its sum of digits gives 1520000880.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3166429 + ... + 3166908.
Almost surely, 21520000880 is an apocalyptic number.
1520000880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1520000880 is an abundant number, since it is smaller than the sum of its proper divisors (3192002592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1520000880 is a wasteful number, since it uses less digits than its factorization.
1520000880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6333353 (or 6333347 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 24.
The square root of 1520000880 is about 38987.1886649961. The cubic root of 1520000880 is about 1149.7796376762.
The spelling of 1520000880 in words is "one billion, five hundred twenty million, eight hundred eighty", and thus it is an aban number.
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