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4050001 = 23176087
BaseRepresentation
bin1111011100110001010001
321121202120001
433130301101
52014100001
6222450001
746265404
oct17346121
97552501
104050001
11231690a
121433901
13aba567
14775d3b
15550001
hex3dcc51

4050001 has 4 divisors (see below), whose sum is σ = 4226112. Its totient is φ = 3873892.

The previous prime is 4049989. The next prime is 4050019. The reversal of 4050001 is 1000504.

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 4050001 - 27 = 4049873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4050001.

It is not an unprimeable number, because it can be changed into a prime (4050031) 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, 88021 + ... + 88066.

It is an arithmetic number, because the mean of its divisors is an integer number (1056528).

Almost surely, 24050001 is an apocalyptic number.

It is an amenable number.

4050001 is a deficient number, since it is larger than the sum of its proper divisors (176111).

4050001 is a wasteful number, since it uses less digits than its factorization.

4050001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176110.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 4050001 is about 2012.4614282018. The cubic root of 4050001 is about 159.3987984966.

Adding to 4050001 its reverse (1000504), we get a palindrome (5050505).

The spelling of 4050001 in words is "four million, fifty thousand, one".

Divisors: 1 23 176087 4050001