Base | Representation |
---|---|
bin | 101010100100110… |
… | …0111110001010000 |
3 | 10200120010122222000 |
4 | 1111021213301100 |
5 | 10411204214202 |
6 | 353431314000 |
7 | 50254530312 |
oct | 12511476120 |
9 | 3616118860 |
10 | 1428585552 |
11 | 673443519 |
12 | 33a51b900 |
13 | 199c799c4 |
14 | d7a337b2 |
15 | 8563e91c |
hex | 55267c50 |
1428585552 has 40 divisors (see below), whose sum is σ = 4100570880. Its totient is φ = 476195040.
The previous prime is 1428585451. The next prime is 1428585553. The reversal of 1428585552 is 2555858241.
1428585552 is a `hidden beast` number, since 1 + 42 + 8 + 58 + 5 + 552 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 1428585498 and 1428585507.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1428585553) 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, 1653024 + ... + 1653887.
It is an arithmetic number, because the mean of its divisors is an integer number (102514272).
Almost surely, 21428585552 is an apocalyptic number.
1428585552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1428585552 is an abundant number, since it is smaller than the sum of its proper divisors (2671985328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1428585552 is a wasteful number, since it uses less digits than its factorization.
1428585552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3306928 (or 3306916 counting only the distinct ones).
The product of its digits is 640000, while the sum is 45.
The square root of 1428585552 is about 37796.6341358592. The cubic root of 1428585552 is about 1126.2515919437.
The spelling of 1428585552 in words is "one billion, four hundred twenty-eight million, five hundred eighty-five thousand, five hundred fifty-two".
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