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12106144 = 25378317
BaseRepresentation
bin101110001011…
…100110100000
3211210001111201
4232023212200
511044344034
61111250544
7204620611
oct56134640
924701451
1012106144
116919586
124079a54
13267b3cb
141871c08
1510e2014
hexb8b9a0

12106144 has 12 divisors (see below), whose sum is σ = 23834034. Its totient is φ = 6053056.

The previous prime is 12106117. The next prime is 12106147. The reversal of 12106144 is 44160121.

It can be written as a sum of positive squares in only one way, i.e., 10112400 + 1993744 = 3180^2 + 1412^2 .

It is not an unprimeable number, because it can be changed into a prime (12106147) 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 as a sum of consecutive naturals, namely, 189127 + ... + 189190.

Almost surely, 212106144 is an apocalyptic number.

It is an amenable number.

12106144 is a deficient number, since it is larger than the sum of its proper divisors (11727890).

12106144 is an equidigital number, since it uses as much as digits as its factorization.

12106144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378327 (or 378319 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 12106144 is about 3479.3884520128. The cubic root of 12106144 is about 229.6158932290.

Adding to 12106144 its reverse (44160121), we get a palindrome (56266265).

The spelling of 12106144 in words is "twelve million, one hundred six thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 378317 756634 1513268 3026536 6053072 12106144