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286364945 = 5547710457
BaseRepresentation
bin10001000100011…
…001010100010001
3201221211211212002
4101010121110101
51041302134240
644225443345
710045030136
oct2104312421
9657754762
10286364945
11137711249
127baa0555
1347435819
142a06458d
151a218d15
hex11119511

286364945 has 8 divisors (see below), whose sum is σ = 343733544. Its totient is φ = 229028224.

The previous prime is 286364929. The next prime is 286364957. The reversal of 286364945 is 549463682.

It can be written as a sum of positive squares in 4 ways, for example, as 185804161 + 100560784 = 13631^2 + 10028^2 .

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 286364945 - 24 = 286364929 is a prime.

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 286364945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22157 + ... + 32613.

It is an arithmetic number, because the mean of its divisors is an integer number (42966693).

Almost surely, 2286364945 is an apocalyptic number.

It is an amenable number.

286364945 is a deficient number, since it is larger than the sum of its proper divisors (57368599).

286364945 is a wasteful number, since it uses less digits than its factorization.

286364945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15939.

The product of its digits is 1244160, while the sum is 47.

The square root of 286364945 is about 16922.3209105607. The cubic root of 286364945 is about 659.1333474897.

The spelling of 286364945 in words is "two hundred eighty-six million, three hundred sixty-four thousand, nine hundred forty-five".

Divisors: 1 5 5477 10457 27385 52285 57272989 286364945