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12250145 = 523372879
BaseRepresentation
bin101110101110…
…110000100001
3212001101001002
4232232300201
511114001040
61114321345
7206060465
oct56566041
925041032
1012250145
116a07796
124129255
1326cbb0b
1418ac4a5
15111ea15
hexbaec21

12250145 has 16 divisors (see below), whose sum is σ = 15759360. Its totient is φ = 9117504.

The previous prime is 12250097. The next prime is 12250163. The reversal of 12250145 is 54105221.

12250145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12250145 - 210 = 12249121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2816 + ... + 5694.

It is an arithmetic number, because the mean of its divisors is an integer number (984960).

Almost surely, 212250145 is an apocalyptic number.

It is an amenable number.

12250145 is a deficient number, since it is larger than the sum of its proper divisors (3509215).

12250145 is a wasteful number, since it uses less digits than its factorization.

12250145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 12250145 is about 3500.0207142244. The cubic root of 12250145 is about 230.5227241412.

Adding to 12250145 its reverse (54105221), we get a palindrome (66355366).

The spelling of 12250145 in words is "twelve million, two hundred fifty thousand, one hundred forty-five".

Divisors: 1 5 23 37 115 185 851 2879 4255 14395 66217 106523 331085 532615 2450029 12250145