Base | Representation |
---|---|
bin | 101010100100110… |
… | …0000010001110100 |
3 | 10200120002002212120 |
4 | 1111021200101310 |
5 | 10411202223433 |
6 | 353430515540 |
7 | 50254341666 |
oct | 12511402164 |
9 | 3616062776 |
10 | 1428554868 |
11 | 673422464 |
12 | 33a505bb0 |
13 | 199c68a50 |
14 | d7a26536 |
15 | 856357b3 |
hex | 55260474 |
1428554868 has 48 divisors (see below), whose sum is σ = 3597572160. Its totient is φ = 438591744.
The previous prime is 1428554857. The next prime is 1428554873. The reversal of 1428554868 is 8684558241.
It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 1428554868.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63048 + ... + 82656.
It is an arithmetic number, because the mean of its divisors is an integer number (74949420).
Almost surely, 21428554868 is an apocalyptic number.
It is an amenable number.
1428554868 is an abundant number, since it is smaller than the sum of its proper divisors (2169017292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1428554868 is a wasteful number, since it uses less digits than its factorization.
1428554868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20096 (or 20094 counting only the distinct ones).
The product of its digits is 2457600, while the sum is 51.
The square root of 1428554868 is about 37796.2282245200. The cubic root of 1428554868 is about 1126.2435284548.
The spelling of 1428554868 in words is "one billion, four hundred twenty-eight million, five hundred fifty-four thousand, eight hundred sixty-eight".
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