Base | Representation |
---|---|
bin | 100110110111111… |
… | …1110100000011111 |
3 | 10100220111112011220 |
4 | 1031233332200133 |
5 | 10132413004211 |
6 | 333234144423 |
7 | 44216256564 |
oct | 11557764037 |
9 | 3326445156 |
10 | 1304422431 |
11 | 60a348974 |
12 | 304a22113 |
13 | 17a325bc0 |
14 | c535286b |
15 | 797b5806 |
hex | 4dbfe81f |
1304422431 has 16 divisors (see below), whose sum is σ = 1879135104. Its totient is φ = 800099424.
The previous prime is 1304422369. The next prime is 1304422451. The reversal of 1304422431 is 1342244031.
It is not a de Polignac number, because 1304422431 - 26 = 1304422367 is a prime.
It is a super-2 number, since 2×13044224312 = 3403035756991899522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1304422451) 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, 42501 + ... + 66446.
It is an arithmetic number, because the mean of its divisors is an integer number (117445944).
Almost surely, 21304422431 is an apocalyptic number.
1304422431 is a deficient number, since it is larger than the sum of its proper divisors (574712673).
1304422431 is a wasteful number, since it uses less digits than its factorization.
1304422431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109270.
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 1304422431 is about 36116.7887692137. The cubic root of 1304422431 is about 1092.6290745671.
Adding to 1304422431 its reverse (1342244031), we get a palindrome (2646666462).
The spelling of 1304422431 in words is "one billion, three hundred four million, four hundred twenty-two thousand, four hundred thirty-one".
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