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285430704 = 24313457421
BaseRepresentation
bin10001000000110…
…101001110110000
3201220002101022120
4101000311032300
51041032240304
644153434240
710034056326
oct2100651660
9656071276
10285430704
11137133349
127b70b980
1347199510
1429c9dd16
151a0d20d9
hex110353b0

285430704 has 40 divisors (see below), whose sum is σ = 794084592. Its totient is φ = 87824640.

The previous prime is 285430699. The next prime is 285430709. The reversal of 285430704 is 407034582.

It is an interprime number because it is at equal distance from previous prime (285430699) and next prime (285430709).

It is not an unprimeable number, because it can be changed into a prime (285430709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228087 + ... + 229334.

Almost surely, 2285430704 is an apocalyptic number.

285430704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

285430704 is an abundant number, since it is smaller than the sum of its proper divisors (508653888).

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

285430704 is a wasteful number, since it uses less digits than its factorization.

285430704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457445 (or 457439 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 285430704 is about 16894.6945518408. The cubic root of 285430704 is about 658.4157779709.

The spelling of 285430704 in words is "two hundred eighty-five million, four hundred thirty thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 457421 914842 1372263 1829684 2744526 3659368 5489052 5946473 7318736 10978104 11892946 17839419 21956208 23785892 35678838 47571784 71357676 95143568 142715352 285430704