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283394813 = 1325186851
BaseRepresentation
bin10000111001000…
…100001011111101
3201202020221121012
4100321010023331
51040022113223
644042045005
710010546642
oct2071041375
9652227535
10283394813
11135a72799
127aaa9765
1346935950
14298cddc9
1519d2dc78
hex10e442fd

283394813 has 8 divisors (see below), whose sum is σ = 306413856. Its totient is φ = 260550000.

The previous prime is 283394809. The next prime is 283394821. The reversal of 283394813 is 318493382.

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 283394813 - 22 = 283394809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283394843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40163 + ... + 46688.

It is an arithmetic number, because the mean of its divisors is an integer number (38301732).

Almost surely, 2283394813 is an apocalyptic number.

It is an amenable number.

283394813 is a deficient number, since it is larger than the sum of its proper divisors (23019043).

283394813 is a wasteful number, since it uses less digits than its factorization.

283394813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87115.

The product of its digits is 124416, while the sum is 41.

The square root of 283394813 is about 16834.3343497746. The cubic root of 283394813 is about 656.8466142873.

The spelling of 283394813 in words is "two hundred eighty-three million, three hundred ninety-four thousand, eight hundred thirteen".

Divisors: 1 13 251 3263 86851 1129063 21799601 283394813