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211069494 = 23211726083
BaseRepresentation
bin11001001010010…
…10101000110110
3112201011102220200
430211022220312
5413013210434
632535541330
75142026646
oct1445125066
9481142820
10211069494
11a91636a9
125a82a846
13349618bc
1420064526
15137e4199
hexc94aa36

211069494 has 12 divisors (see below), whose sum is σ = 457317276. Its totient is φ = 70356492.

The previous prime is 211069493. The next prime is 211069513. The reversal of 211069494 is 494960112.

It is a happy number.

211069494 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211069493) 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 5 ways as a sum of consecutive naturals, for example, 5863024 + ... + 5863059.

It is an arithmetic number, because the mean of its divisors is an integer number (38109773).

Almost surely, 2211069494 is an apocalyptic number.

211069494 is an abundant number, since it is smaller than the sum of its proper divisors (246247782).

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

211069494 is a wasteful number, since it uses less digits than its factorization.

211069494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11726091 (or 11726088 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 211069494 is about 14528.2309315346. The cubic root of 211069494 is about 595.3995329922.

The spelling of 211069494 in words is "two hundred eleven million, sixty-nine thousand, four hundred ninety-four".

Divisors: 1 2 3 6 9 18 11726083 23452166 35178249 70356498 105534747 211069494