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12255072 = 253127657
BaseRepresentation
bin101110101111…
…111101100000
3212001121210120
4232233331200
511114130242
61114400240
7206111034
oct56577540
925047716
1012255072
116a10465
124130080
13270112b
1418b01c4
1511211ec
hexbaff60

12255072 has 24 divisors (see below), whose sum is σ = 32169816. Its totient is φ = 4084992.

The previous prime is 12255071. The next prime is 12255121. The reversal of 12255072 is 27055221.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63733 + ... + 63924.

It is an arithmetic number, because the mean of its divisors is an integer number (1340409).

Almost surely, 212255072 is an apocalyptic number.

12255072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12255072 is an abundant number, since it is smaller than the sum of its proper divisors (19914744).

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

12255072 is a wasteful number, since it uses less digits than its factorization.

12255072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127670 (or 127662 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 12255072 is about 3500.7244964436. The cubic root of 12255072 is about 230.5536253598.

The spelling of 12255072 in words is "twelve million, two hundred fifty-five thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 127657 255314 382971 510628 765942 1021256 1531884 2042512 3063768 4085024 6127536 12255072