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18485529 = 331119813
BaseRepresentation
bin100011010000…
…1000100011001
31021210011101020
41012201010121
514213014104
61500113053
7313060446
oct106410431
937704336
1018485529
11a4864a7
126235789
133aa2caa
1426529cd
1519522d9
hex11a1119

18485529 has 8 divisors (see below), whose sum is σ = 24727872. Its totient is φ = 12283440.

The previous prime is 18485503. The next prime is 18485531. The reversal of 18485529 is 92558481.

It is a happy number.

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

It is not a de Polignac number, because 18485529 - 211 = 18483481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18485539) 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, 8974 + ... + 10839.

It is an arithmetic number, because the mean of its divisors is an integer number (3090984).

Almost surely, 218485529 is an apocalyptic number.

It is an amenable number.

18485529 is a deficient number, since it is larger than the sum of its proper divisors (6242343).

18485529 is a wasteful number, since it uses less digits than its factorization.

18485529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20127.

The product of its digits is 115200, while the sum is 42.

The square root of 18485529 is about 4299.4800848475. The cubic root of 18485529 is about 264.4096458236.

The spelling of 18485529 in words is "eighteen million, four hundred eighty-five thousand, five hundred twenty-nine".

Divisors: 1 3 311 933 19813 59439 6161843 18485529