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389305496 = 23417173229
BaseRepresentation
bin10111001101000…
…101010010011000
31000010112202202002
4113031011102120
51244130233441
6102344100132
712435020306
oct2715052230
91003482662
10389305496
1118a830a88
12aa464648
13628688a8
14399bd276
152429eb9b
hex17345498

389305496 has 64 divisors (see below), whose sum is σ = 772027200. Its totient is φ = 183859200.

The previous prime is 389305493. The next prime is 389305507. The reversal of 389305496 is 694503983.

It is a self number, because there is not a number n which added to its sum of digits gives 389305496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389305493) 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 15 ways as a sum of consecutive naturals, for example, 1699910 + ... + 1700138.

It is an arithmetic number, because the mean of its divisors is an integer number (12062925).

Almost surely, 2389305496 is an apocalyptic number.

It is an amenable number.

389305496 is a deficient number, since it is larger than the sum of its proper divisors (382721704).

389305496 is a wasteful number, since it uses less digits than its factorization.

389305496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 389305496 is about 19730.8260344062. The cubic root of 389305496 is about 730.1804120303.

The spelling of 389305496 in words is "three hundred eighty-nine million, three hundred five thousand, four hundred ninety-six".

Divisors: 1 2 4 8 41 71 73 82 142 146 164 229 284 292 328 458 568 584 916 1832 2911 2993 5183 5822 5986 9389 10366 11644 11972 16259 16717 18778 20732 23288 23944 32518 33434 37556 41464 65036 66868 75112 130072 133736 212503 425006 666619 685397 850012 1186907 1333238 1370794 1700024 2373814 2666476 2741588 4747628 5332952 5483176 9495256 48663187 97326374 194652748 389305496