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57448005 = 3559139467
BaseRepresentation
bin1101101100100…
…1011001000101
311000002122211220
43123021121011
5104201314010
65411150553
71265204616
oct333113105
9130078756
1057448005
112a47859a
12172a5459
13bb95504
1478b5c0d
15509b970
hex36c9645

57448005 has 32 divisors (see below), whose sum is σ = 94348800. Its totient is φ = 29838912.

The previous prime is 57448003. The next prime is 57448009. The reversal of 57448005 is 50084475.

57448005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57448005 - 21 = 57448003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57448003) 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 31 ways as a sum of consecutive naturals, for example, 122782 + ... + 123248.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 257448005 is an apocalyptic number.

It is an amenable number.

57448005 is a deficient number, since it is larger than the sum of its proper divisors (36900795).

57448005 is a wasteful number, since it uses less digits than its factorization.

57448005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 57448005 is about 7579.4462198765. The cubic root of 57448005 is about 385.8557565515.

The spelling of 57448005 in words is "fifty-seven million, four hundred forty-eight thousand, five".

Divisors: 1 3 5 15 59 139 177 295 417 467 695 885 1401 2085 2335 7005 8201 24603 27553 41005 64913 82659 123015 137765 194739 324565 413295 973695 3829867 11489601 19149335 57448005