Base | Representation |
---|---|
bin | 101010101010001… |
… | …0011001100000010 |
3 | 10200202101212212010 |
4 | 1111110103030002 |
5 | 10412413303314 |
6 | 354011313350 |
7 | 50320366425 |
oct | 12524231402 |
9 | 3622355763 |
10 | 1431384834 |
11 | 674a85680 |
12 | 33b44b856 |
13 | 19a719b99 |
14 | d81619bc |
15 | 859e4059 |
hex | 55513302 |
1431384834 has 24 divisors (see below), whose sum is σ = 3123692208. Its totient is φ = 433659840.
The previous prime is 1431384821. The next prime is 1431384847. The reversal of 1431384834 is 4384831341.
It is an interprime number because it is at equal distance from previous prime (1431384821) and next prime (1431384847).
It is a junction number, because it is equal to n+sod(n) for n = 1431384792 and 1431384801.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305034 + ... + 309690.
It is an arithmetic number, because the mean of its divisors is an integer number (130153842).
Almost surely, 21431384834 is an apocalyptic number.
1431384834 is an abundant number, since it is smaller than the sum of its proper divisors (1692307374).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1431384834 is an frugal number, since it uses more digits than its factorization.
1431384834 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9330 (or 4673 counting only the distinct ones).
The product of its digits is 110592, while the sum is 39.
The square root of 1431384834 is about 37833.6468503897. The cubic root of 1431384834 is about 1126.9867337373.
The spelling of 1431384834 in words is "one billion, four hundred thirty-one million, three hundred eighty-four thousand, eight hundred thirty-four".
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