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82014909 = 327338303
BaseRepresentation
bin1001110001101…
…11001010111101
312201022210022020
410320313022331
5131443434114
612045510353
72014054344
oct470671275
9181283266
1082014909
1142328019
12235723b9
1313cb7542
14ac6cb5b
157300aa9
hex4e372bd

82014909 has 4 divisors (see below), whose sum is σ = 109353216. Its totient is φ = 54676604.

The previous prime is 82014899. The next prime is 82014923. The reversal of 82014909 is 90941028.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82014909 - 24 = 82014893 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82014909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82024909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13669149 + ... + 13669154.

It is an arithmetic number, because the mean of its divisors is an integer number (27338304).

Almost surely, 282014909 is an apocalyptic number.

It is an amenable number.

82014909 is a deficient number, since it is larger than the sum of its proper divisors (27338307).

82014909 is a wasteful number, since it uses less digits than its factorization.

82014909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27338306.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 82014909 is about 9056.2083125335. The cubic root of 82014909 is about 434.4744770115.

The spelling of 82014909 in words is "eighty-two million, fourteen thousand, nine hundred nine".

Divisors: 1 3 27338303 82014909