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210040002 = 232231812803
BaseRepresentation
bin11001000010011…
…11010011000010
3112122020010201100
430201033103002
5412232240002
632501515230
75130211344
oct1441172302
9478203640
10210040002
11a8620187
125a412b16
1334691133
141dc77294
151368e11c
hexc84f4c2

210040002 has 48 divisors (see below), whose sum is σ = 477667008. Its totient is φ = 66575520.

The previous prime is 210040001. The next prime is 210040013. The reversal of 210040002 is 200040012.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (210040001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73533 + ... + 76335.

It is an arithmetic number, because the mean of its divisors is an integer number (9951396).

Almost surely, 2210040002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210040002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238833504).

210040002 is an abundant number, since it is smaller than the sum of its proper divisors (267627006).

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

210040002 is a wasteful number, since it uses less digits than its factorization.

210040002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015 (or 3012 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 210040002 is about 14492.7568805938. The cubic root of 210040002 is about 594.4299339541.

Adding to 210040002 its reverse (200040012), we get a palindrome (410080014).

The spelling of 210040002 in words is "two hundred ten million, forty thousand, two".

Divisors: 1 2 3 6 9 18 23 46 69 138 181 207 362 414 543 1086 1629 2803 3258 4163 5606 8326 8409 12489 16818 24978 25227 37467 50454 64469 74934 128938 193407 386814 507343 580221 1014686 1160442 1522029 3044058 4566087 9132174 11668889 23337778 35006667 70013334 105020001 210040002