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18063529 = 118918451
BaseRepresentation
bin100010011101…
…0000010101001
31020222201111121
41010322002221
514111013104
61443055241
7306352231
oct104720251
936881447
1018063529
11a218440
126071521
133985ba3
142582cc1
1518bc254
hex113a0a9

18063529 has 8 divisors (see below), whose sum is σ = 19928160. Its totient is φ = 16236000.

The previous prime is 18063527. The next prime is 18063541. The reversal of 18063529 is 92536081.

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

It is not a de Polignac number, because 18063529 - 21 = 18063527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18063494 and 18063503.

It is not an unprimeable number, because it can be changed into a prime (18063527) 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, 8247 + ... + 10204.

It is an arithmetic number, because the mean of its divisors is an integer number (2491020).

Almost surely, 218063529 is an apocalyptic number.

It is an amenable number.

18063529 is a deficient number, since it is larger than the sum of its proper divisors (1864631).

18063529 is a wasteful number, since it uses less digits than its factorization.

18063529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18551.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 18063529 is about 4250.1210570994. The cubic root of 18063529 is about 262.3820979214.

It can be divided in two parts, 1806 and 3529, that added together give a palindrome (5335).

The spelling of 18063529 in words is "eighteen million, sixty-three thousand, five hundred twenty-nine".

Divisors: 1 11 89 979 18451 202961 1642139 18063529