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18676241 is a prime number
BaseRepresentation
bin100011100111…
…1101000010001
31022010211222122
41013033220101
514240114431
61504144025
7314513453
oct107175021
938124878
1018676241
11a5a6811
126308015
133b3ba3c
1426a22d3
15198da7b
hex11cfa11

18676241 has 2 divisors, whose sum is σ = 18676242. Its totient is φ = 18676240.

The previous prime is 18676237. The next prime is 18676267. The reversal of 18676241 is 14267681.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11937025 + 6739216 = 3455^2 + 2596^2 .

It is a cyclic number.

It is not a de Polignac number, because 18676241 - 22 = 18676237 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18676201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9338120 + 9338121.

It is an arithmetic number, because the mean of its divisors is an integer number (9338121).

Almost surely, 218676241 is an apocalyptic number.

It is an amenable number.

18676241 is a deficient number, since it is larger than the sum of its proper divisors (1).

18676241 is an equidigital number, since it uses as much as digits as its factorization.

18676241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 18676241 is about 4321.6016706772. The cubic root of 18676241 is about 265.3158261318.

The spelling of 18676241 in words is "eighteen million, six hundred seventy-six thousand, two hundred forty-one".