Base | Representation |
---|---|
bin | 101010100101000… |
… | …1110001101110101 |
3 | 10200120102122222111 |
4 | 1111022032031311 |
5 | 10411224234104 |
6 | 353434531021 |
7 | 50256054400 |
oct | 12512161565 |
9 | 3616378874 |
10 | 1428743029 |
11 | 67354086a |
12 | 33a596a71 |
13 | 19a00359c |
14 | d7a74d37 |
15 | 85671404 |
hex | 5528e375 |
1428743029 has 24 divisors (see below), whose sum is σ = 1726306560. Its totient is φ = 1177604064.
The previous prime is 1428743027. The next prime is 1428743039. The reversal of 1428743029 is 9203478241.
It is not a de Polignac number, because 1428743029 - 21 = 1428743027 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1428742982 and 1428743000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1428743021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371812 + ... + 375634.
It is an arithmetic number, because the mean of its divisors is an integer number (71929440).
Almost surely, 21428743029 is an apocalyptic number.
It is an amenable number.
1428743029 is a deficient number, since it is larger than the sum of its proper divisors (297563531).
1428743029 is a wasteful number, since it uses less digits than its factorization.
1428743029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4129 (or 4122 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 40.
The square root of 1428743029 is about 37798.7172930511. The cubic root of 1428743029 is about 1126.2929737159.
The spelling of 1428743029 in words is "one billion, four hundred twenty-eight million, seven hundred forty-three thousand, twenty-nine".
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