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12253055 = 54159771
BaseRepresentation
bin101110101111…
…011101111111
3212001112000212
4232233131333
511114044210
61114343035
7206102123
oct56573577
925045025
1012253055
116a099a1
12412aa7b
132700239
1418ad583
151120805
hexbaf77f

12253055 has 8 divisors (see below), whose sum is σ = 15062544. Its totient is φ = 9563200.

The previous prime is 12253013. The next prime is 12253057. The reversal of 12253055 is 55035221.

12253055 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12253055 - 214 = 12236671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12253055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29681 + ... + 30090.

It is an arithmetic number, because the mean of its divisors is an integer number (1882818).

Almost surely, 212253055 is an apocalyptic number.

12253055 is a deficient number, since it is larger than the sum of its proper divisors (2809489).

12253055 is an equidigital number, since it uses as much as digits as its factorization.

12253055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59817.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 12253055 is about 3500.4364013648. The cubic root of 12253055 is about 230.5409761161.

Adding to 12253055 its reverse (55035221), we get a palindrome (67288276).

The spelling of 12253055 in words is "twelve million, two hundred fifty-three thousand, fifty-five".

Divisors: 1 5 41 205 59771 298855 2450611 12253055