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211002414 = 237231131933
BaseRepresentation
bin11001001001110…
…10010000101110
3112201001000220020
430210322100232
5413004034124
632534303010
75141330250
oct1444722056
9481030806
10211002414
11a9118267
125a7b7a66
133493a1cc
1420047cd0
15137ce379
hexc93a42e

211002414 has 64 divisors (see below), whose sum is σ = 507976704. Its totient is φ = 57125376.

The previous prime is 211002413. The next prime is 211002431. The reversal of 211002414 is 414200112.

It is a junction number, because it is equal to n+sod(n) for n = 211002393 and 211002402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211002413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108192 + ... + 110124.

It is an arithmetic number, because the mean of its divisors is an integer number (7937136).

Almost surely, 2211002414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211002414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253988352).

211002414 is an abundant number, since it is smaller than the sum of its proper divisors (296974290).

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

211002414 is a wasteful number, since it uses less digits than its factorization.

211002414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 211002414 is about 14525.9221394031. The cubic root of 211002414 is about 595.3364516634.

Adding to 211002414 its reverse (414200112), we get a palindrome (625202526).

The spelling of 211002414 in words is "two hundred eleven million, two thousand, four hundred fourteen".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 113 138 161 226 322 339 483 678 791 966 1582 1933 2373 2599 3866 4746 5198 5799 7797 11598 13531 15594 18193 27062 36386 40593 44459 54579 81186 88918 109158 133377 218429 266754 311213 436858 622426 655287 933639 1310574 1529003 1867278 3058006 4587009 5023867 9174018 10047734 15071601 30143202 35167069 70334138 105501207 211002414