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14393645 = 571721423
BaseRepresentation
bin110110111010…
…000100101101
31000002021100222
4312322010231
512141044040
61232301125
7233225660
oct66720455
930067328
1014393645
118141182
1249a17a5
132c9c666
141ca96d7
1513e4bb5
hexdba12d

14393645 has 24 divisors (see below), whose sum is σ = 20984064. Its totient is φ = 9282816.

The previous prime is 14393627. The next prime is 14393647. The reversal of 14393645 is 54639341.

It is a happy number.

It is not a de Polignac number, because 14393645 - 214 = 14377261 is a prime.

It is a super-3 number, since 3×143936453 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14393647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9404 + ... + 10826.

It is an arithmetic number, because the mean of its divisors is an integer number (874336).

Almost surely, 214393645 is an apocalyptic number.

It is an amenable number.

14393645 is a deficient number, since it is larger than the sum of its proper divisors (6590419).

14393645 is a wasteful number, since it uses less digits than its factorization.

14393645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469 (or 1452 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 14393645 is about 3793.8957550254. The cubic root of 14393645 is about 243.2522853034.

The spelling of 14393645 in words is "fourteen million, three hundred ninety-three thousand, six hundred forty-five".

Divisors: 1 5 7 17 35 85 119 289 595 1423 1445 2023 7115 9961 10115 24191 49805 120955 169337 411247 846685 2056235 2878729 14393645