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394435368 = 23329756477
BaseRepresentation
bin10111100000101…
…001101100101000
31000111012101121100
4113200221230220
51301433412433
6103050041400
712526434225
oct2740515450
91014171540
10394435368
11192715148
12b0119260
1363943812
143a55694c
1524964b13
hex17829b28

394435368 has 48 divisors (see below), whose sum is σ = 1079294580. Its totient is φ = 130120704.

The previous prime is 394435361. The next prime is 394435397. The reversal of 394435368 is 863534493.

It can be written as a sum of positive squares in 2 ways, for example, as 351112644 + 43322724 = 18738^2 + 6582^2 .

It is not an unprimeable number, because it can be changed into a prime (394435361) 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 11 ways as a sum of consecutive naturals, for example, 21255 + ... + 35222.

Almost surely, 2394435368 is an apocalyptic number.

It is an amenable number.

394435368 is an abundant number, since it is smaller than the sum of its proper divisors (684859212).

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

394435368 is a wasteful number, since it uses less digits than its factorization.

394435368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56586 (or 56579 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 394435368 is about 19860.3969748845. The cubic root of 394435368 is about 733.3736189072.

The spelling of 394435368 in words is "three hundred ninety-four million, four hundred thirty-five thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 97 194 291 388 582 776 873 1164 1746 2328 3492 6984 56477 112954 169431 225908 338862 451816 508293 677724 1016586 1355448 2033172 4066344 5478269 10956538 16434807 21913076 32869614 43826152 49304421 65739228 98608842 131478456 197217684 394435368