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4540018 = 271392333
BaseRepresentation
bin10001010100011001110010
322112122201211
4101110121302
52130240033
6241150334
753406130
oct21243162
98478654
104540018
112620a8a
12162b3aa
13c2c602
14862750
155ea2cd
hex454672

4540018 has 16 divisors (see below), whose sum is σ = 7842240. Its totient is φ = 1930896.

The previous prime is 4540013. The next prime is 4540027. The reversal of 4540018 is 8100454.

It is a super-3 number, since 3×45400183 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (4540013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780 + ... + 3112.

It is an arithmetic number, because the mean of its divisors is an integer number (490140).

Almost surely, 24540018 is an apocalyptic number.

4540018 is a deficient number, since it is larger than the sum of its proper divisors (3302222).

4540018 is a wasteful number, since it uses less digits than its factorization.

4540018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4540018 is about 2130.7317991714. The cubic root of 4540018 is about 165.5843133951.

The spelling of 4540018 in words is "four million, five hundred forty thousand, eighteen".

Divisors: 1 2 7 14 139 278 973 1946 2333 4666 16331 32662 324287 648574 2270009 4540018