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12089529 = 32192612
BaseRepresentation
bin101110000111…
…100010111001
3211202012201100
4232013202321
511043331104
61111042013
7204521304
oct56074271
924665640
1012089529
116908051
124070309
13267398a
141869b3b
1510dc139
hexb878b9

12089529 has 27 divisors (see below), whose sum is σ = 18737199. Its totient is φ = 7510320.

The previous prime is 12089527. The next prime is 12089551. The reversal of 12089529 is 92598021.

The square root of 12089529 is 3477.

It is a perfect power (a square), and thus also a powerful number.

12089529 is a `hidden beast` number, since 120 + 8 + 9 + 529 = 666.

12089529 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 393129 + 11696400 = 627^2 + 3420^2 .

It is not a de Polignac number, because 12089529 - 21 = 12089527 is a prime.

It is a super-2 number, since 2×120895292 = 292313422883682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12089493 and 12089502.

It is not an unprimeable number, because it can be changed into a prime (12089521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 198159 + ... + 198219.

Almost surely, 212089529 is an apocalyptic number.

12089529 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12089529 is the 3477-th square number.

12089529 is the 1739-th centered octagonal number.

It is an amenable number.

12089529 is a deficient number, since it is larger than the sum of its proper divisors (6647670).

12089529 is an equidigital number, since it uses as much as digits as its factorization.

12089529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The cubic root of 12089529 is about 229.5108001809.

Multiplying 12089529 by its sum of digits (36), we get a square (435223044 = 208622).

The spelling of 12089529 in words is "twelve million, eighty-nine thousand, five hundred twenty-nine".

Divisors: 1 3 9 19 57 61 171 183 361 549 1083 1159 3249 3477 3721 10431 11163 22021 33489 66063 70699 198189 212097 636291 1343281 4029843 12089529