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430728085 = 5538319583
BaseRepresentation
bin11001101011000…
…110001110010101
31010000111020212001
4121223012032111
51340231244320
6110423555301
713450062004
oct3153061625
91100436761
10430728085
11201153427
121002bbb31
136b30cab8
14412c2c3b
1527c3320a
hex19ac6395

430728085 has 16 divisors (see below), whose sum is σ = 532998144. Its totient is φ = 333990592.

The previous prime is 430728079. The next prime is 430728101. The reversal of 430728085 is 580827034.

It is a cyclic number.

It is not a de Polignac number, because 430728085 - 29 = 430727573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12204 + ... + 31786.

It is an arithmetic number, because the mean of its divisors is an integer number (33312384).

Almost surely, 2430728085 is an apocalyptic number.

It is an amenable number.

430728085 is a deficient number, since it is larger than the sum of its proper divisors (102270059).

430728085 is a wasteful number, since it uses less digits than its factorization.

430728085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19724.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 430728085 is about 20753.9896164569. The cubic root of 430728085 is about 755.2099967004.

The spelling of 430728085 in words is "four hundred thirty million, seven hundred twenty-eight thousand, eighty-five".

Divisors: 1 5 53 83 265 415 4399 19583 21995 97915 1037899 1625389 5189495 8126945 86145617 430728085