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285572093 = 3141224683
BaseRepresentation
bin10001000001010…
…111101111111101
3201220100120021012
4101001113233331
51041101301333
644200445005
710035215462
oct2101275775
9656316235
10285572093
1113721a5a4
127b779765
1347218991
1429cd9669
151a10de48
hex11057bfd

285572093 has 8 divisors (see below), whose sum is σ = 301975296. Its totient is φ = 269618400.

The previous prime is 285572087. The next prime is 285572101. The reversal of 285572093 is 390275582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 285572093 - 26 = 285572029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 285572093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285562093) 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 7 ways as a sum of consecutive naturals, for example, 111071 + ... + 113612.

It is an arithmetic number, because the mean of its divisors is an integer number (37746912).

Almost surely, 2285572093 is an apocalyptic number.

It is an amenable number.

285572093 is a deficient number, since it is larger than the sum of its proper divisors (16403203).

285572093 is a wasteful number, since it uses less digits than its factorization.

285572093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224755.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 285572093 is about 16898.8784539093. The cubic root of 285572093 is about 658.5244761360.

The spelling of 285572093 in words is "two hundred eighty-five million, five hundred seventy-two thousand, ninety-three".

Divisors: 1 31 41 1271 224683 6965173 9212003 285572093