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284085245 = 5192990371
BaseRepresentation
bin10000111011101…
…100101111111101
3201210120000200202
4100323230233331
51040211211440
644104533245
710016453603
oct2073545775
9653500622
10284085245
111363a44a4
127b181225
1346b17ca2
1429a2d873
1519e18615
hex10eecbfd

284085245 has 8 divisors (see below), whose sum is σ = 358844640. Its totient is φ = 215306640.

The previous prime is 284085239. The next prime is 284085253. The reversal of 284085245 is 542580482.

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

It is not a de Polignac number, because 284085245 - 218 = 283823101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 284085199 and 284085208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495091 + ... + 1495280.

It is an arithmetic number, because the mean of its divisors is an integer number (44855580).

Almost surely, 2284085245 is an apocalyptic number.

It is an amenable number.

284085245 is a deficient number, since it is larger than the sum of its proper divisors (74759395).

284085245 is a wasteful number, since it uses less digits than its factorization.

284085245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990395.

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 284085245 is about 16854.8285366538. The cubic root of 284085245 is about 657.3796046671.

The spelling of 284085245 in words is "two hundred eighty-four million, eighty-five thousand, two hundred forty-five".

Divisors: 1 5 19 95 2990371 14951855 56817049 284085245