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14223945 = 35948263
BaseRepresentation
bin110110010000…
…101001001001
3222202122120210
4312100221021
512120131240
61224511333
7231621141
oct66205111
928678523
1014223945
11803572a
12491b549
132c40348
141c63921
1513ae780
hexd90a49

14223945 has 8 divisors (see below), whose sum is σ = 22758336. Its totient is φ = 7586096.

The previous prime is 14223943. The next prime is 14223953. The reversal of 14223945 is 54932241.

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 14223945 - 21 = 14223943 is a prime.

It is a super-3 number, since 3×142239453 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (14223943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474117 + ... + 474146.

It is an arithmetic number, because the mean of its divisors is an integer number (2844792).

Almost surely, 214223945 is an apocalyptic number.

14223945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14223945 is a deficient number, since it is larger than the sum of its proper divisors (8534391).

14223945 is an equidigital number, since it uses as much as digits as its factorization.

14223945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948271.

The product of its digits is 8640, while the sum is 30.

The square root of 14223945 is about 3771.4645696334. The cubic root of 14223945 is about 242.2925281128.

The spelling of 14223945 in words is "fourteen million, two hundred twenty-three thousand, nine hundred forty-five".

Divisors: 1 3 5 15 948263 2844789 4741315 14223945