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14145172 = 2217320441
BaseRepresentation
bin110101111101…
…011010010100
3222121122112021
4311331122110
512110121142
61223102524
7231142366
oct65753224
928548467
1014145172
117a91528
1248a1a44
132c13532
141c42d36
151396267
hexd7d694

14145172 has 12 divisors (see below), whose sum is σ = 24898356. Its totient is φ = 7031360.

The previous prime is 14145091. The next prime is 14145181. The reversal of 14145172 is 27154141.

It can be written as a sum of positive squares in 2 ways, for example, as 12418576 + 1726596 = 3524^2 + 1314^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9529 + ... + 10912.

It is an arithmetic number, because the mean of its divisors is an integer number (2074863).

Almost surely, 214145172 is an apocalyptic number.

It is an amenable number.

14145172 is a deficient number, since it is larger than the sum of its proper divisors (10753184).

14145172 is a wasteful number, since it uses less digits than its factorization.

14145172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20618 (or 20616 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 14145172 is about 3761.0067801056. The cubic root of 14145172 is about 241.8444233750.

The spelling of 14145172 in words is "fourteen million, one hundred forty-five thousand, one hundred seventy-two".

Divisors: 1 2 4 173 346 692 20441 40882 81764 3536293 7072586 14145172