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12103248 = 243252151
BaseRepresentation
bin101110001010…
…111001010000
3211202220112110
4232022321100
511044300443
61111225320
7204606303
oct56127120
924686473
1012103248
116917393
124078240
132679cb1
141870b3a
1510e1233
hexb8ae50

12103248 has 20 divisors (see below), whose sum is σ = 31266848. Its totient is φ = 4034400.

The previous prime is 12103243. The next prime is 12103249. The reversal of 12103248 is 84230121.

It is a super-2 number, since 2×121032482 = 292977224299008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103243) 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, 126028 + ... + 126123.

Almost surely, 212103248 is an apocalyptic number.

It is an amenable number.

12103248 is an abundant number, since it is smaller than the sum of its proper divisors (19163600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12103248 is a wasteful number, since it uses less digits than its factorization.

12103248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252162 (or 252156 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 12103248 is about 3478.9722620337. The cubic root of 12103248 is about 229.5975823984.

Adding to 12103248 its reverse (84230121), we get a palindrome (96333369).

The spelling of 12103248 in words is "twelve million, one hundred three thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 252151 504302 756453 1008604 1512906 2017208 3025812 4034416 6051624 12103248