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56280417 = 318760139
BaseRepresentation
bin1101011010110…
…0010101100001
310220220100012220
43112230111201
5103401433132
65330141253
71252242564
oct326542541
9126810186
1056280417
1129850346
1216a21829
13b876c2b
1476904db
154e1aa2c
hex35ac561

56280417 has 4 divisors (see below), whose sum is σ = 75040560. Its totient is φ = 37520276.

The previous prime is 56280403. The next prime is 56280439. The reversal of 56280417 is 71408265.

56280417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56280417 - 24 = 56280401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56280457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9380067 + ... + 9380072.

It is an arithmetic number, because the mean of its divisors is an integer number (18760140).

Almost surely, 256280417 is an apocalyptic number.

It is an amenable number.

56280417 is a deficient number, since it is larger than the sum of its proper divisors (18760143).

56280417 is a wasteful number, since it uses less digits than its factorization.

56280417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18760142.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 56280417 is about 7502.0275259426. The cubic root of 56280417 is about 383.2237669638.

The spelling of 56280417 in words is "fifty-six million, two hundred eighty thousand, four hundred seventeen".

Divisors: 1 3 18760139 56280417