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21483395 = 519226141
BaseRepresentation
bin101000111110…
…0111110000011
31111102110200022
41101330332003
520444432040
62044244055
7350414543
oct121747603
944373608
1021483395
111114387a
12724062b
1345b268b
142bd3323
151d456b5
hex147cf83

21483395 has 8 divisors (see below), whose sum is σ = 27137040. Its totient is φ = 16282080.

The previous prime is 21483373. The next prime is 21483419. The reversal of 21483395 is 59338412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21483395 - 210 = 21482371 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112976 + ... + 113165.

It is an arithmetic number, because the mean of its divisors is an integer number (3392130).

Almost surely, 221483395 is an apocalyptic number.

21483395 is a deficient number, since it is larger than the sum of its proper divisors (5653645).

21483395 is a wasteful number, since it uses less digits than its factorization.

21483395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226165.

The product of its digits is 25920, while the sum is 35.

The square root of 21483395 is about 4635.0183386908. The cubic root of 21483395 is about 277.9932843469.

The spelling of 21483395 in words is "twenty-one million, four hundred eighty-three thousand, three hundred ninety-five".

Divisors: 1 5 19 95 226141 1130705 4296679 21483395