Base | Representation |
---|---|
bin | 101010100111100… |
… | …1011010110100100 |
3 | 10200122212122212021 |
4 | 1111033023112210 |
5 | 10412042321040 |
6 | 353522432524 |
7 | 50303104501 |
oct | 12517132644 |
9 | 3618778767 |
10 | 1430042020 |
11 | 674248810 |
12 | 33ab02744 |
13 | 19a369914 |
14 | d7cd24a8 |
15 | 8582b24a |
hex | 553cb5a4 |
1430042020 has 48 divisors (see below), whose sum is σ = 3418547328. Its totient is φ = 497404160.
The previous prime is 1430042017. The next prime is 1430042051. The reversal of 1430042020 is 202400341.
It is a junction number, because it is equal to n+sod(n) for n = 1430041985 and 1430042003.
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, 136249 + ... + 146368.
It is an arithmetic number, because the mean of its divisors is an integer number (71219736).
Almost surely, 21430042020 is an apocalyptic number.
1430042020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1430042020 is an abundant number, since it is smaller than the sum of its proper divisors (1988505308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1430042020 is a wasteful number, since it uses less digits than its factorization.
1430042020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 282660 (or 282658 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 1430042020 is about 37815.8963929192. The cubic root of 1430042020 is about 1126.6342063560.
Adding to 1430042020 its reverse (202400341), we get a palindrome (1632442361).
The spelling of 1430042020 in words is "one billion, four hundred thirty million, forty-two thousand, twenty".
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