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12190449 = 36760649
BaseRepresentation
bin101110100000…
…001011110001
3211221100011010
4232200023301
511110043244
61113141133
7205421445
oct56401361
924840133
1012190449
116976957
1240ba7a9
1326aa8ab
141894825
15110beb9
hexba02f1

12190449 has 8 divisors (see below), whose sum is σ = 16496800. Its totient is φ = 8005536.

The previous prime is 12190447. The next prime is 12190463. The reversal of 12190449 is 94409121.

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

It is not a de Polignac number, because 12190449 - 21 = 12190447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12190441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30124 + ... + 30525.

It is an arithmetic number, because the mean of its divisors is an integer number (2062100).

Almost surely, 212190449 is an apocalyptic number.

It is an amenable number.

12190449 is a deficient number, since it is larger than the sum of its proper divisors (4306351).

12190449 is an equidigital number, since it uses as much as digits as its factorization.

12190449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60719.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12190449 is about 3491.4823499482. The cubic root of 12190449 is about 230.1476619533.

The spelling of 12190449 in words is "twelve million, one hundred ninety thousand, four hundred forty-nine".

Divisors: 1 3 67 201 60649 181947 4063483 12190449