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1002444213 = 32317981163
BaseRepresentation
bin111011110000000…
…001010110110101
32120212021102221110
4323300001112311
54023111203323
6243245505233
733561430611
oct7360012665
92525242843
101002444213
114749431a1
1223b872219
1312c8b4874
14971c6341
155d015793
hex3bc015b5

1002444213 has 16 divisors (see below), whose sum is σ = 1402513920. Its totient is φ = 635660784.

The previous prime is 1002444187. The next prime is 1002444221. The reversal of 1002444213 is 3124442001.

1002444213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1002444213 - 25 = 1002444181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002444213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002444283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28231 + ... + 52932.

It is an arithmetic number, because the mean of its divisors is an integer number (87657120).

Almost surely, 21002444213 is an apocalyptic number.

It is an amenable number.

1002444213 is a deficient number, since it is larger than the sum of its proper divisors (400069707).

1002444213 is a wasteful number, since it uses less digits than its factorization.

1002444213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81368.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1002444213 is about 31661.3994163240. The cubic root of 1002444213 is about 1000.8140747691.

Adding to 1002444213 its reverse (3124442001), we get a palindrome (4126886214).

The spelling of 1002444213 in words is "one billion, two million, four hundred forty-four thousand, two hundred thirteen".

Divisors: 1 3 23 69 179 537 4117 12351 81163 243489 1866749 5600247 14528177 43584531 334148071 1002444213