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12250105 = 57350003
BaseRepresentation
bin101110101110…
…101111111001
3212001100222121
4232232233321
511114000410
61114321241
7206060410
oct56565771
925040877
1012250105
116a0775a
124129221
1326cbaaa
1418ac477
15111e9da
hexbaebf9

12250105 has 8 divisors (see below), whose sum is σ = 16800192. Its totient is φ = 8400048.

The previous prime is 12250097. The next prime is 12250163. The reversal of 12250105 is 50105221.

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

It is a cyclic number.

It is not a de Polignac number, because 12250105 - 23 = 12250097 is a prime.

It is a super-2 number, since 2×122501052 = 300130145022050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174967 + ... + 175036.

It is an arithmetic number, because the mean of its divisors is an integer number (2100024).

Almost surely, 212250105 is an apocalyptic number.

It is an amenable number.

12250105 is a deficient number, since it is larger than the sum of its proper divisors (4550087).

12250105 is an equidigital number, since it uses as much as digits as its factorization.

12250105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350015.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 12250105 is about 3500.0149999679. The cubic root of 12250105 is about 230.5224732348.

Adding to 12250105 its reverse (50105221), we get a palindrome (62355326).

The spelling of 12250105 in words is "twelve million, two hundred fifty thousand, one hundred five".

Divisors: 1 5 7 35 350003 1750015 2450021 12250105