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12742632 = 23327131193
BaseRepresentation
bin110000100110…
…111111101000
3212222101121100
4300212333220
511230231012
61133041400
7213211350
oct60467750
925871540
1012742632
117213801
124326260
132842026
141999b60
1511ba8dc
hexc26fe8

12742632 has 96 divisors (see below), whose sum is σ = 39948480. Its totient is φ = 3594240.

The previous prime is 12742627. The next prime is 12742633. The reversal of 12742632 is 23624721.

12742632 is a `hidden beast` number, since 1 + 27 + 4 + 2 + 632 = 666.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (4032) is a multiple of the sum of its prime divisors (336).

It is a junction number, because it is equal to n+sod(n) for n = 12742596 and 12742605.

It is not an unprimeable number, because it can be changed into a prime (12742633) 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 23 ways as a sum of consecutive naturals, for example, 65928 + ... + 66120.

It is an arithmetic number, because the mean of its divisors is an integer number (416130).

Almost surely, 212742632 is an apocalyptic number.

12742632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12742632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19974240).

12742632 is an abundant number, since it is smaller than the sum of its proper divisors (27205848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12742632 is a wasteful number, since it uses less digits than its factorization.

12742632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 336 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 12742632 is about 3569.6823388083. The cubic root of 12742632 is about 233.5714268079.

The spelling of 12742632 in words is "twelve million, seven hundred forty-two thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 131 168 193 252 262 386 393 504 524 579 772 786 917 1048 1158 1179 1351 1544 1572 1737 1834 2316 2358 2702 2751 3144 3474 3668 4053 4632 4716 5404 5502 6948 7336 8106 8253 9432 10808 11004 12159 13896 16212 16506 22008 24318 25283 32424 33012 48636 50566 66024 75849 97272 101132 151698 176981 202264 227547 303396 353962 455094 530943 606792 707924 910188 1061886 1415848 1592829 1820376 2123772 3185658 4247544 6371316 12742632