Base | Representation |
---|---|
bin | 101010100101000… |
… | …1111100100101000 |
3 | 10200120102221121020 |
4 | 1111022033210220 |
5 | 10411224423314 |
6 | 353435012440 |
7 | 50256106524 |
oct | 12512174450 |
9 | 3616387536 |
10 | 1428748584 |
11 | 673544a5a |
12 | 33a59a120 |
13 | 19a005c83 |
14 | d7a76d84 |
15 | 85672da9 |
hex | 5528f928 |
1428748584 has 32 divisors (see below), whose sum is σ = 3687095040. Its totient is φ = 460886400.
The previous prime is 1428748583. The next prime is 1428748589. The reversal of 1428748584 is 4858478241.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (1428748583) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959437 + ... + 960924.
It is an arithmetic number, because the mean of its divisors is an integer number (115221720).
Almost surely, 21428748584 is an apocalyptic number.
It is an amenable number.
1428748584 is an abundant number, since it is smaller than the sum of its proper divisors (2258346456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1428748584 is a wasteful number, since it uses less digits than its factorization.
1428748584 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1920401 (or 1920397 counting only the distinct ones).
The product of its digits is 2293760, while the sum is 51.
The square root of 1428748584 is about 37798.7907743092. The cubic root of 1428748584 is about 1126.2944334021.
The spelling of 1428748584 in words is "one billion, four hundred twenty-eight million, seven hundred forty-eight thousand, five hundred eighty-four".
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