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12248889 = 37355931
BaseRepresentation
bin101110101110…
…011100111001
3212001022022120
4232232130321
511113431024
61114311453
7206054022
oct56563471
925038276
1012248889
116a06854
124128589
1326cb383
1418abc49
15111e479
hexbae739

12248889 has 8 divisors (see below), whose sum is σ = 16555872. Its totient is φ = 8053920.

The previous prime is 12248881. The next prime is 12248897. The reversal of 12248889 is 98884221.

It is an interprime number because it is at equal distance from previous prime (12248881) and next prime (12248897).

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

It is not a de Polignac number, because 12248889 - 23 = 12248881 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 12248889.

It is not an unprimeable number, because it can be changed into a prime (12248881) 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, 27747 + ... + 28184.

It is an arithmetic number, because the mean of its divisors is an integer number (2069484).

Almost surely, 212248889 is an apocalyptic number.

It is an amenable number.

12248889 is a deficient number, since it is larger than the sum of its proper divisors (4306983).

12248889 is an equidigital number, since it uses as much as digits as its factorization.

12248889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56007.

The product of its digits is 73728, while the sum is 42.

The square root of 12248889 is about 3499.8412821155. The cubic root of 12248889 is about 230.5148454198.

The spelling of 12248889 in words is "twelve million, two hundred forty-eight thousand, eight hundred eighty-nine".

Divisors: 1 3 73 219 55931 167793 4082963 12248889