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12484209 = 322318661
BaseRepresentation
bin101111100111…
…111001110001
3212111021010010
4233213321301
511143443314
61123325133
7211054053
oct57477161
925437103
1012484209
117057631
1242207a9
13278150a
14192d8d3
151169059
hexbe7e71

12484209 has 8 divisors (see below), whose sum is σ = 16721152. Its totient is φ = 8285040.

The previous prime is 12484201. The next prime is 12484211. The reversal of 12484209 is 90248421.

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

It is not a de Polignac number, because 12484209 - 23 = 12484201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12484201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8662 + ... + 9999.

It is an arithmetic number, because the mean of its divisors is an integer number (2090144).

Almost surely, 212484209 is an apocalyptic number.

It is an amenable number.

12484209 is a deficient number, since it is larger than the sum of its proper divisors (4236943).

12484209 is a wasteful number, since it uses less digits than its factorization.

12484209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18887.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 12484209 is about 3533.3000155662. The cubic root of 12484209 is about 231.9816733938.

The spelling of 12484209 in words is "twelve million, four hundred eighty-four thousand, two hundred nine".

Divisors: 1 3 223 669 18661 55983 4161403 12484209