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12442093 = 194397157
BaseRepresentation
bin101111011101…
…100111101101
3212102010100021
4233131213231
511141121333
61122402141
7210520216
oct57354755
925363307
1012442093
117028a24
124200351
1327682b1
14191c40d
15115b82d
hexbdd9ed

12442093 has 16 divisors (see below), whose sum is σ = 13625920. Its totient is φ = 11321856.

The previous prime is 12442081. The next prime is 12442099. The reversal of 12442093 is 39024421.

It is a cyclic number.

It is not a de Polignac number, because 12442093 - 29 = 12441581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79171 + ... + 79327.

It is an arithmetic number, because the mean of its divisors is an integer number (851620).

Almost surely, 212442093 is an apocalyptic number.

It is an amenable number.

12442093 is a deficient number, since it is larger than the sum of its proper divisors (1183827).

12442093 is a wasteful number, since it uses less digits than its factorization.

12442093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 12442093 is about 3527.3351130847. The cubic root of 12442093 is about 231.7205128762.

The spelling of 12442093 in words is "twelve million, four hundred forty-two thousand, ninety-three".

Divisors: 1 19 43 97 157 817 1843 2983 4171 6751 15229 79249 128269 289351 654847 12442093