Base | Representation |
---|---|
bin | 101011011001110… |
… | …1010011111011001 |
3 | 10202111102222012201 |
4 | 1112303222133121 |
5 | 10440313241321 |
6 | 400303210201 |
7 | 51043026244 |
oct | 12663523731 |
9 | 3674388181 |
10 | 1456383961 |
11 | 6880aa90a |
12 | 3478a6961 |
13 | 1a2960876 |
14 | db5cc25b |
15 | 87cd1291 |
hex | 56cea7d9 |
1456383961 has 4 divisors (see below), whose sum is σ = 1466158500. Its totient is φ = 1446609424.
The previous prime is 1456383959. The next prime is 1456384003. The reversal of 1456383961 is 1693836541.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1693836541 = 23 ⋅73645067.
It can be written as a sum of positive squares in 2 ways, for example, as 775956736 + 680427225 = 27856^2 + 26085^2 .
It is a cyclic number.
It is not a de Polignac number, because 1456383961 - 21 = 1456383959 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1456384961) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4887046 + ... + 4887343.
It is an arithmetic number, because the mean of its divisors is an integer number (366539625).
Almost surely, 21456383961 is an apocalyptic number.
It is an amenable number.
1456383961 is a deficient number, since it is larger than the sum of its proper divisors (9774539).
1456383961 is an equidigital number, since it uses as much as digits as its factorization.
1456383961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9774538.
The product of its digits is 466560, while the sum is 46.
The square root of 1456383961 is about 38162.5989812015. The cubic root of 1456383961 is about 1133.5098432022.
The spelling of 1456383961 in words is "one billion, four hundred fifty-six million, three hundred eighty-three thousand, nine hundred sixty-one".
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