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14665645 = 517473671
BaseRepresentation
bin110111111100…
…011110101101
31000121002111001
4313330132231
512223300040
61242200301
7235440661
oct67743655
930532431
1014665645
118307575
124ab3091
1330663c7
141d3a8a1
15144a59a
hexdfc7ad

14665645 has 16 divisors (see below), whose sum is σ = 19035648. Its totient is φ = 10804480.

The previous prime is 14665643. The next prime is 14665711. The reversal of 14665645 is 54656641.

It is not a de Polignac number, because 14665645 - 21 = 14665643 is a prime.

It is a super-3 number, since 3×146656453 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14665643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2160 + ... + 5830.

It is an arithmetic number, because the mean of its divisors is an integer number (1189728).

Almost surely, 214665645 is an apocalyptic number.

It is an amenable number.

14665645 is a deficient number, since it is larger than the sum of its proper divisors (4370003).

14665645 is a wasteful number, since it uses less digits than its factorization.

14665645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740.

The product of its digits is 86400, while the sum is 37.

The square root of 14665645 is about 3829.5750416985. The cubic root of 14665645 is about 244.7749982031.

The spelling of 14665645 in words is "fourteen million, six hundred sixty-five thousand, six hundred forty-five".

Divisors: 1 5 17 47 85 235 799 3671 3995 18355 62407 172537 312035 862685 2933129 14665645