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18475283 is a prime number
BaseRepresentation
bin100011001111…
…0100100010011
31021202122022202
41012132210103
514212202113
61455553415
7313015541
oct106364423
937678282
1018475283
11a479832
12622b86b
133a9b428
14264cd91
15194e258
hex119e913

18475283 has 2 divisors, whose sum is σ = 18475284. Its totient is φ = 18475282.

The previous prime is 18475241. The next prime is 18475313. The reversal of 18475283 is 38257481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18475283 - 210 = 18474259 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18474283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9237641 + 9237642.

It is an arithmetic number, because the mean of its divisors is an integer number (9237642).

Almost surely, 218475283 is an apocalyptic number.

18475283 is a deficient number, since it is larger than the sum of its proper divisors (1).

18475283 is an equidigital number, since it uses as much as digits as its factorization.

18475283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 38.

The square root of 18475283 is about 4298.2883802742. The cubic root of 18475283 is about 264.3607852272.

The spelling of 18475283 in words is "eighteen million, four hundred seventy-five thousand, two hundred eighty-three".