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195764534 = 2721166271
BaseRepresentation
bin10111010101100…
…10000100110110
3111122100212110022
423222302010312
5400103431114
631231525142
74564654040
oct1352620466
9448325408
10195764534
11a055a879
12556897b2
1331733504
141bddca90
15122be48e
hexbab2136

195764534 has 16 divisors (see below), whose sum is σ = 337191936. Its totient is φ = 83500200.

The previous prime is 195764533. The next prime is 195764539. The reversal of 195764534 is 435467591.

195764534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195764533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30182 + ... + 36089.

It is an arithmetic number, because the mean of its divisors is an integer number (21074496).

Almost surely, 2195764534 is an apocalyptic number.

195764534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

195764534 is a deficient number, since it is larger than the sum of its proper divisors (141427402).

195764534 is a wasteful number, since it uses less digits than its factorization.

195764534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66491.

The product of its digits is 453600, while the sum is 44.

The square root of 195764534 is about 13991.5879727785. The cubic root of 195764534 is about 580.6458659355.

The spelling of 195764534 in words is "one hundred ninety-five million, seven hundred sixty-four thousand, five hundred thirty-four".

Divisors: 1 2 7 14 211 422 1477 2954 66271 132542 463897 927794 13983181 27966362 97882267 195764534