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12073429 = 83145463
BaseRepresentation
bin101110000011…
…100111010101
3211201101122001
4232003213111
511042322204
61110435301
7204423334
oct56034725
924641561
1012073429
1168a6a45
124062b31
132669554
141863d1b
1510d74a4
hexb839d5

12073429 has 4 divisors (see below), whose sum is σ = 12218976. Its totient is φ = 11927884.

The previous prime is 12073427. The next prime is 12073441. The reversal of 12073429 is 92437021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12073429 - 21 = 12073427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12073397 and 12073406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12073421) 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 3 ways as a sum of consecutive naturals, for example, 72649 + ... + 72814.

It is an arithmetic number, because the mean of its divisors is an integer number (3054744).

Almost surely, 212073429 is an apocalyptic number.

It is an amenable number.

12073429 is a deficient number, since it is larger than the sum of its proper divisors (145547).

12073429 is an equidigital number, since it uses as much as digits as its factorization.

12073429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145546.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 12073429 is about 3474.6840144105. The cubic root of 12073429 is about 229.4088727085.

The spelling of 12073429 in words is "twelve million, seventy-three thousand, four hundred twenty-nine".

Divisors: 1 83 145463 12073429