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12145048 = 2310115031
BaseRepresentation
bin101110010101…
…000110011000
3211212000212121
4232111012120
511102120143
61112151024
7205142206
oct56250630
924760777
1012145048
116945833
124098474
132693026
141882076
1510ed7ed
hexb95198

12145048 has 16 divisors (see below), whose sum is σ = 22998960. Its totient is φ = 6012000.

The previous prime is 12145043. The next prime is 12145057. The reversal of 12145048 is 84054121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145043) 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 3 ways as a sum of consecutive naturals, for example, 6708 + ... + 8323.

It is an arithmetic number, because the mean of its divisors is an integer number (1437435).

Almost surely, 212145048 is an apocalyptic number.

It is an amenable number.

12145048 is a deficient number, since it is larger than the sum of its proper divisors (10853912).

12145048 is a wasteful number, since it uses less digits than its factorization.

12145048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15138 (or 15134 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 12145048 is about 3484.9746053594. The cubic root of 12145048 is about 229.8615928459.

Adding to 12145048 its reverse (84054121), we get a palindrome (96199169).

The spelling of 12145048 in words is "twelve million, one hundred forty-five thousand, forty-eight".

Divisors: 1 2 4 8 101 202 404 808 15031 30062 60124 120248 1518131 3036262 6072524 12145048