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21314353 = 234012311
BaseRepresentation
bin101000101001…
…1101100110001
31111002212210111
41101103230301
520424024403
62040501321
7346111654
oct121235461
944085714
1021314353
1111038875
12717a841
134553758
142b8b89b
151d1056d
hex1453b31

21314353 has 8 divisors (see below), whose sum is σ = 22306176. Its totient is φ = 20328000.

The previous prime is 21314327. The next prime is 21314357. The reversal of 21314353 is 35341312.

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 21314353 - 29 = 21313841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21314357) 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, 8068 + ... + 10378.

It is an arithmetic number, because the mean of its divisors is an integer number (2788272).

Almost surely, 221314353 is an apocalyptic number.

21314353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21314353 is a deficient number, since it is larger than the sum of its proper divisors (991823).

21314353 is a wasteful number, since it uses less digits than its factorization.

21314353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735.

The product of its digits is 1080, while the sum is 22.

The square root of 21314353 is about 4616.7470149446. The cubic root of 21314353 is about 277.2622339094.

Adding to 21314353 its reverse (35341312), we get a palindrome (56655665).

The spelling of 21314353 in words is "twenty-one million, three hundred fourteen thousand, three hundred fifty-three".

Divisors: 1 23 401 2311 9223 53153 926711 21314353