Search a number
-
+
1456670461 is a prime number
BaseRepresentation
bin101011011010011…
…0000011011111101
310202111222112012211
41112310300123331
510440401423321
6400313300421
751045331441
oct12664603375
93674875184
101456670461
11688286094
12347a04711
131a2a310ac
14db664821
1587d3b0e1
hex56d306fd

1456670461 has 2 divisors, whose sum is σ = 1456670462. Its totient is φ = 1456670460.

The previous prime is 1456670429. The next prime is 1456670471. The reversal of 1456670461 is 1640766541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1094948100 + 361722361 = 33090^2 + 19019^2 .

It is an emirp because it is prime and its reverse (1640766541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1456670461 - 25 = 1456670429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1456670471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728335230 + 728335231.

It is an arithmetic number, because the mean of its divisors is an integer number (728335231).

Almost surely, 21456670461 is an apocalyptic number.

It is an amenable number.

1456670461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456670461 is an equidigital number, since it uses as much as digits as its factorization.

1456670461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1456670461 is about 38166.3524717781. The cubic root of 1456670461 is about 1133.5841663857.

The spelling of 1456670461 in words is "one billion, four hundred fifty-six million, six hundred seventy thousand, four hundred sixty-one".