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12454134 = 2372113851
BaseRepresentation
bin101111100000…
…100011110110
3212102201212020
4233200203312
511142013014
61122534010
7210600300
oct57404366
925381766
1012454134
117036a80
124207306
132770914
141922970
1511601a9
hexbe08f6

12454134 has 48 divisors (see below), whose sum is σ = 31617216. Its totient is φ = 3234000.

The previous prime is 12454111. The next prime is 12454147. The reversal of 12454134 is 43145421.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 1309 + ... + 5159.

It is an arithmetic number, because the mean of its divisors is an integer number (658692).

Almost surely, 212454134 is an apocalyptic number.

12454134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12454134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15808608).

12454134 is an abundant number, since it is smaller than the sum of its proper divisors (19163082).

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

12454134 is a wasteful number, since it uses less digits than its factorization.

12454134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881 (or 3874 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 12454134 is about 3529.0415129324. The cubic root of 12454134 is about 231.7952389723.

Adding to 12454134 its reverse (43145421), we get a palindrome (55599555).

The spelling of 12454134 in words is "twelve million, four hundred fifty-four thousand, one hundred thirty-four".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 49 66 77 98 147 154 231 294 462 539 1078 1617 3234 3851 7702 11553 23106 26957 42361 53914 80871 84722 127083 161742 188699 254166 296527 377398 566097 593054 889581 1132194 1779162 2075689 4151378 6227067 12454134