Search a number
-
+
56457241 is a prime number
BaseRepresentation
bin1101011101011…
…1100000011001
310221020022202221
43113113200121
5103423112431
65334024041
71253610241
oct327274031
9127208687
1056457241
1129961185
1216aa8021
13b909569
1476d8b21
154e53111
hex35d7819

56457241 has 2 divisors, whose sum is σ = 56457242. Its totient is φ = 56457240.

The previous prime is 56457217. The next prime is 56457253. The reversal of 56457241 is 14275465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30294016 + 26163225 = 5504^2 + 5115^2 .

It is a cyclic number.

It is not a de Polignac number, because 56457241 - 211 = 56455193 is a prime.

It is a super-2 number, since 2×564572412 = 6374840122664162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56457197 and 56457206.

It is not a weakly prime, because it can be changed into another prime (56457211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28228620 + 28228621.

It is an arithmetic number, because the mean of its divisors is an integer number (28228621).

Almost surely, 256457241 is an apocalyptic number.

It is an amenable number.

56457241 is a deficient number, since it is larger than the sum of its proper divisors (1).

56457241 is an equidigital number, since it uses as much as digits as its factorization.

56457241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 34.

The square root of 56457241 is about 7513.8033644753. The cubic root of 56457241 is about 383.6246898165.

The spelling of 56457241 in words is "fifty-six million, four hundred fifty-seven thousand, two hundred forty-one".