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211004010 = 23257437789
BaseRepresentation
bin11001001001110…
…10101001101010
3112201001010002100
430210322221222
5413004112020
632534314230
75141335020
oct1444725152
9481033070
10211004010
11a9119488
125a7b8976
133493ab59
1420048710
15137cea90
hexc93aa6a

211004010 has 96 divisors (see below), whose sum is σ = 641646720. Its totient is φ = 47101824.

The previous prime is 211003997. The next prime is 211004021. The reversal of 211004010 is 10400112.

It is a happy number.

211004010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211003983 and 211004001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23196 + ... + 30984.

It is an arithmetic number, because the mean of its divisors is an integer number (6683820).

Almost surely, 2211004010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211004010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320823360).

211004010 is an abundant number, since it is smaller than the sum of its proper divisors (430642710).

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

211004010 is a wasteful number, since it uses less digits than its factorization.

211004010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7852 (or 7849 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 211004010 is about 14525.9770755705. The cubic root of 211004010 is about 595.3379526803.

Adding to 211004010 its reverse (10400112), we get a palindrome (221404122).

The spelling of 211004010 in words is "two hundred eleven million, four thousand, ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 43 45 63 70 86 90 105 126 129 210 215 258 301 315 387 430 602 630 645 774 903 1290 1505 1806 1935 2709 3010 3870 4515 5418 7789 9030 13545 15578 23367 27090 38945 46734 54523 70101 77890 109046 116835 140202 163569 233670 272615 327138 334927 350505 490707 545230 669854 701010 817845 981414 1004781 1635690 1674635 2009562 2344489 2453535 3014343 3349270 4688978 4907070 5023905 6028686 7033467 10047810 11722445 14066934 15071715 21100401 23444890 30143430 35167335 42200802 70334670 105502005 211004010