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2002427 = 7286061
BaseRepresentation
bin111101000110111111011
310202201210222
413220313323
51003034202
6110530255
723006660
oct7506773
93681728
102002427
1111484a9
1280698b
1355158b
143a1a67
152984a2
hex1e8dfb

2002427 has 4 divisors (see below), whose sum is σ = 2288496. Its totient is φ = 1716360.

The previous prime is 2002417. The next prime is 2002453. The reversal of 2002427 is 7242002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002427 - 212 = 1998331 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2002417) 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, 143024 + ... + 143037.

It is an arithmetic number, because the mean of its divisors is an integer number (572124).

22002427 is an apocalyptic number.

2002427 is a deficient number, since it is larger than the sum of its proper divisors (286069).

2002427 is an equidigital number, since it uses as much as digits as its factorization.

2002427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286068.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 2002427 is about 1415.0713762917. The cubic root of 2002427 is about 126.0430481950.

Adding to 2002427 its reverse (7242002), we get a palindrome (9244429).

The spelling of 2002427 in words is "two million, two thousand, four hundred twenty-seven".

Divisors: 1 7 286061 2002427