Base | Representation |
---|---|
bin | 111011110110101… |
… | …110100110111111 |
3 | 2120222120202202122 |
4 | 323312232212333 |
5 | 4024033434211 |
6 | 243351313155 |
7 | 33612402611 |
oct | 7366564677 |
9 | 2528522678 |
10 | 1004202431 |
11 | 475934171 |
12 | 24037b7bb |
13 | 13007bc2b |
14 | 97522db1 |
15 | 5d2616db |
hex | 3bdae9bf |
1004202431 has 2 divisors, whose sum is σ = 1004202432. Its totient is φ = 1004202430.
The previous prime is 1004202391. The next prime is 1004202439. The reversal of 1004202431 is 1342024001.
It is a strong prime.
It is an emirp because it is prime and its reverse (1342024001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1004202431 - 222 = 1000008127 is a prime.
It is a super-2 number, since 2×10042024312 = 2016845044852619522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1004202439) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502101215 + 502101216.
It is an arithmetic number, because the mean of its divisors is an integer number (502101216).
Almost surely, 21004202431 is an apocalyptic number.
1004202431 is a deficient number, since it is larger than the sum of its proper divisors (1).
1004202431 is an equidigital number, since it uses as much as digits as its factorization.
1004202431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 1004202431 is about 31689.1532073673. The cubic root of 1004202431 is about 1001.3988526322.
Adding to 1004202431 its reverse (1342024001), we get a palindrome (2346226432).
The spelling of 1004202431 in words is "one billion, four million, two hundred two thousand, four hundred thirty-one".
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