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12550329 = 331142257
BaseRepresentation
bin101111111000…
…000010111001
3212121121211000
4233320002321
511203102304
61124555213
7211450611
oct57700271
925547730
1012550329
1170a2280
124252b09
1327a563c
141949a41
15117d939
hexbf80b9

12550329 has 16 divisors (see below), whose sum is σ = 20283840. Its totient is φ = 7606080.

The previous prime is 12550313. The next prime is 12550337. The reversal of 12550329 is 92305521.

It is not a de Polignac number, because 12550329 - 24 = 12550313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12550309) 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 15 ways as a sum of consecutive naturals, for example, 20832 + ... + 21425.

It is an arithmetic number, because the mean of its divisors is an integer number (1267740).

Almost surely, 212550329 is an apocalyptic number.

It is an amenable number.

12550329 is a deficient number, since it is larger than the sum of its proper divisors (7733511).

12550329 is a wasteful number, since it uses less digits than its factorization.

12550329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42277 (or 42271 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 12550329 is about 3542.6443513285. The cubic root of 12550329 is about 232.3904999459.

The spelling of 12550329 in words is "twelve million, five hundred fifty thousand, three hundred twenty-nine".

Divisors: 1 3 9 11 27 33 99 297 42257 126771 380313 464827 1140939 1394481 4183443 12550329