[go: up one dir, main page]

Search a number
-
+
769948451 is a prime number
BaseRepresentation
bin101101111001000…
…111101100100011
31222122210102201022
4231321013230203
53034101322301
6204222400055
725036311446
oct5571075443
91878712638
10769948451
11365685738
12195a3002b
13c36905cc
147438565d
15478dcd1b
hex2de47b23

769948451 has 2 divisors, whose sum is σ = 769948452. Its totient is φ = 769948450.

The previous prime is 769948433. The next prime is 769948453. The reversal of 769948451 is 154849967.

It is a strong prime.

It is an emirp because it is prime and its reverse (154849967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 769948451 - 210 = 769947427 is a prime.

It is a Sophie Germain prime.

Together with 769948453, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 769948393 and 769948402.

It is not a weakly prime, because it can be changed into another prime (769948453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384974225 + 384974226.

It is an arithmetic number, because the mean of its divisors is an integer number (384974226).

Almost surely, 2769948451 is an apocalyptic number.

769948451 is a deficient number, since it is larger than the sum of its proper divisors (1).

769948451 is an equidigital number, since it uses as much as digits as its factorization.

769948451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 53.

The square root of 769948451 is about 27747.9449869716. The cubic root of 769948451 is about 916.5451912785.

The spelling of 769948451 in words is "seven hundred sixty-nine million, nine hundred forty-eight thousand, four hundred fifty-one".