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12203429 = 73156237
BaseRepresentation
bin101110100011…
…010110100101
3211221222221212
4232203112211
511111002204
61113321205
7205504340
oct56432645
924858855
1012203429
116985687
124106205
1326b3784
141899457
151110c6e
hexba35a5

12203429 has 8 divisors (see below), whose sum is σ = 14396928. Its totient is φ = 10122480.

The previous prime is 12203419. The next prime is 12203431. The reversal of 12203429 is 92430221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12203429 - 28 = 12203173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203419) 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 7 ways as a sum of consecutive naturals, for example, 27902 + ... + 28335.

It is an arithmetic number, because the mean of its divisors is an integer number (1799616).

Almost surely, 212203429 is an apocalyptic number.

It is an amenable number.

12203429 is a deficient number, since it is larger than the sum of its proper divisors (2193499).

12203429 is an equidigital number, since it uses as much as digits as its factorization.

12203429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56275.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 12203429 is about 3493.3406647506. The cubic root of 12203429 is about 230.2293176006.

The spelling of 12203429 in words is "twelve million, two hundred three thousand, four hundred twenty-nine".

Divisors: 1 7 31 217 56237 393659 1743347 12203429