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2002431004 = 22771515393
BaseRepresentation
bin111011101011010…
…1010110000011100
312011112221000221021
41313112222300130
513100110243004
6530411013524
7100423245160
oct16726526034
95145830837
102002431004
11938358062
1247a73a2a4
1325bb18a22
1414dd2cca0
15babe2d54
hex775aac1c

2002431004 has 12 divisors (see below), whose sum is σ = 4004862064. Its totient is φ = 858184704.

The previous prime is 2002430993. The next prime is 2002431007. The reversal of 2002431004 is 4001342002.

2002431004 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002431007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35757669 + ... + 35757724.

Almost surely, 22002431004 is an apocalyptic number.

It is an amenable number.

2002431004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002431004 is a wasteful number, since it uses less digits than its factorization.

2002431004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71515404 (or 71515402 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2002431004 is about 44748.5307468301. The cubic root of 2002431004 is about 1260.4313220571.

Adding to 2002431004 its reverse (4001342002), we get a palindrome (6003773006).

The spelling of 2002431004 in words is "two billion, two million, four hundred thirty-one thousand, four".

Divisors: 1 2 4 7 14 28 71515393 143030786 286061572 500607751 1001215502 2002431004