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12434445 = 33592107
BaseRepresentation
bin101111011011…
…110000001101
3212101201212000
4233123300031
511140400240
61122302513
7210456012
oct57336015
925351760
1012434445
117023201
1241b7a39
13276497a
141919709
151159430
hexbdbc0d

12434445 has 16 divisors (see below), whose sum is σ = 22105920. Its totient is φ = 6631632.

The previous prime is 12434369. The next prime is 12434447. The reversal of 12434445 is 54443421.

It is a happy number.

12434445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12434445 - 29 = 12433933 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45919 + ... + 46188.

It is an arithmetic number, because the mean of its divisors is an integer number (1381620).

Almost surely, 212434445 is an apocalyptic number.

12434445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12434445 is a deficient number, since it is larger than the sum of its proper divisors (9671475).

12434445 is an equidigital number, since it uses as much as digits as its factorization.

12434445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92121 (or 92115 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 12434445 is about 3526.2508418999. The cubic root of 12434445 is about 231.6730245712.

Adding to 12434445 its reverse (54443421), we get a palindrome (66877866).

The spelling of 12434445 in words is "twelve million, four hundred thirty-four thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 27 45 135 92107 276321 460535 828963 1381605 2486889 4144815 12434445