Base | Representation |
---|---|
bin | 101010101000010… |
… | …1010010100011000 |
3 | 10200200121102102221 |
4 | 1111100222110120 |
5 | 10412142243000 |
6 | 353535033424 |
7 | 50306314525 |
oct | 12520522430 |
9 | 3620542387 |
10 | 1430431000 |
11 | 674493a89 |
12 | 33b06b874 |
13 | 19a47499b |
14 | d7d9414c |
15 | 858a661a |
hex | 5542a518 |
1430431000 has 64 divisors (see below), whose sum is σ = 3544145280. Its totient is φ = 538508800.
The previous prime is 1430430961. The next prime is 1430431007. The reversal of 1430431000 is 1340341.
It is a super-2 number, since 2×14304310002 = 4092265691522000000, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1430431007) 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, 25072 + ... + 59071.
It is an arithmetic number, because the mean of its divisors is an integer number (55377270).
Almost surely, 21430431000 is an apocalyptic number.
1430431000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1430431000 is an abundant number, since it is smaller than the sum of its proper divisors (2113714280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1430431000 is a wasteful number, since it uses less digits than its factorization.
1430431000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84181 (or 84167 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1430431000 is about 37821.0391184589. The cubic root of 1430431000 is about 1126.7363475143.
Adding to 1430431000 its reverse (1340341), we get a palindrome (1431771341).
The spelling of 1430431000 in words is "one billion, four hundred thirty million, four hundred thirty-one thousand".
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