Base | Representation |
---|---|
bin | 101010100111100… |
… | …1000111001111000 |
3 | 10200122212011002212 |
4 | 1111033020321320 |
5 | 10412042010432 |
6 | 353522314252 |
7 | 50303033324 |
oct | 12517107170 |
9 | 3618764085 |
10 | 1430031992 |
11 | 674241224 |
12 | 33aab8988 |
13 | 19a36519c |
14 | d7ccc984 |
15 | 858282b2 |
hex | 553c8e78 |
1430031992 has 64 divisors (see below), whose sum is σ = 2908224000. Its totient is φ = 657188224.
The previous prime is 1430031991. The next prime is 1430032003. The reversal of 1430031992 is 2991300341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1430031991) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402859 + ... + 1403877.
It is an arithmetic number, because the mean of its divisors is an integer number (45441000).
Almost surely, 21430031992 is an apocalyptic number.
It is an amenable number.
1430031992 is an abundant number, since it is smaller than the sum of its proper divisors (1478192008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1430031992 is a wasteful number, since it uses less digits than its factorization.
1430031992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1340 (or 1336 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 32.
The square root of 1430031992 is about 37815.7638029433. The cubic root of 1430031992 is about 1126.6315728870.
The spelling of 1430031992 in words is "one billion, four hundred thirty million, thirty-one thousand, nine hundred ninety-two".
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