Base | Representation |
---|---|
bin | 101010100101001… |
… | …0001000101111100 |
3 | 10200120110021010220 |
4 | 1111022101011330 |
5 | 10411230123222 |
6 | 353435101340 |
7 | 50256133632 |
oct | 12512210574 |
9 | 3616407126 |
10 | 1428754812 |
11 | 673549701 |
12 | 33a5a1850 |
13 | 19a008a64 |
14 | d7a79352 |
15 | 85674b5c |
hex | 5529117c |
1428754812 has 24 divisors (see below), whose sum is σ = 3334477776. Its totient is φ = 476149248.
The previous prime is 1428754801. The next prime is 1428754819. The reversal of 1428754812 is 2184578241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1428754819) 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, 63618 + ... + 83094.
It is an arithmetic number, because the mean of its divisors is an integer number (138936574).
Almost surely, 21428754812 is an apocalyptic number.
1428754812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1428754812 is an abundant number, since it is smaller than the sum of its proper divisors (1905722964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1428754812 is a wasteful number, since it uses less digits than its factorization.
1428754812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25597 (or 25595 counting only the distinct ones).
The product of its digits is 143360, while the sum is 42.
The square root of 1428754812 is about 37798.8731578072. The cubic root of 1428754812 is about 1126.2960699278.
The spelling of 1428754812 in words is "one billion, four hundred twenty-eight million, seven hundred fifty-four thousand, eight hundred twelve".
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