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5618001 = 31872667
BaseRepresentation
bin10101011011100101010001
3101120102110010
4111123211101
52414234001
6320225133
765516004
oct25334521
911512403
105618001
113197984
121a6b1a9
13121917c
14a6353b
1575e8d6
hex55b951

5618001 has 4 divisors (see below), whose sum is σ = 7490672. Its totient is φ = 3745332.

The previous prime is 5617999. The next prime is 5618009. The reversal of 5618001 is 1008165.

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 not a de Polignac number, because 5618001 - 21 = 5617999 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5618009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936331 + ... + 936336.

It is an arithmetic number, because the mean of its divisors is an integer number (1872668).

Almost surely, 25618001 is an apocalyptic number.

It is an amenable number.

5618001 is a deficient number, since it is larger than the sum of its proper divisors (1872671).

5618001 is a wasteful number, since it uses less digits than its factorization.

5618001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872670.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 5618001 is about 2370.2322670996. The cubic root of 5618001 is about 177.7708725472.

The spelling of 5618001 in words is "five million, six hundred eighteen thousand, one".

Divisors: 1 3 1872667 5618001