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396868692 = 2231159131389
BaseRepresentation
bin10111101001111…
…011110001010100
31000122210000111110
4113221323301110
51303044244232
6103214135020
712556220403
oct2751736124
91018700443
10396868692
11194027360
12b0ab1470
13642b625c
143a9cb63a
1524c95acc
hex17a7bc54

396868692 has 96 divisors (see below), whose sum is σ = 1037836800. Its totient is φ = 117020800.

The previous prime is 396868649. The next prime is 396868699. The reversal of 396868692 is 296868693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396868699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1020034 + ... + 1020422.

It is an arithmetic number, because the mean of its divisors is an integer number (10810800).

Almost surely, 2396868692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396868692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518918400).

396868692 is an abundant number, since it is smaller than the sum of its proper divisors (640968108).

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

396868692 is a wasteful number, since it uses less digits than its factorization.

396868692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 595 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The square root of 396868692 is about 19921.5634928587. The cubic root of 396868692 is about 734.8786212633.

Subtracting from 396868692 its reverse (296868693), we obtain a palindrome (99999999).

The spelling of 396868692 in words is "three hundred ninety-six million, eight hundred sixty-eight thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 59 66 118 131 132 177 236 262 354 389 393 524 649 708 778 786 1167 1298 1441 1556 1572 1947 2334 2596 2882 3894 4279 4323 4668 5764 7729 7788 8558 8646 12837 15458 17116 17292 22951 23187 25674 30916 45902 46374 50959 51348 68853 85019 91804 92748 101918 137706 152877 170038 203836 252461 255057 275412 305754 340076 504922 510114 560549 611508 757383 1009844 1020228 1121098 1514766 1681647 2242196 3006581 3029532 3363294 6013162 6726588 9019743 12026324 18039486 33072391 36078972 66144782 99217173 132289564 198434346 396868692