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4805213 = 72923671
BaseRepresentation
bin10010010101001001011101
3100001010111212
4102111021131
52212231323
6250554205
755562240
oct22251135
910033455
104805213
112792256
121738965
13cc322a
148d1257
1564db78
hex49525d

4805213 has 8 divisors (see below), whose sum is σ = 5681280. Its totient is φ = 3976560.

The previous prime is 4805191. The next prime is 4805231. The reversal of 4805213 is 3125084.

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

It is not a de Polignac number, because 4805213 - 26 = 4805149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4805513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11633 + ... + 12038.

It is an arithmetic number, because the mean of its divisors is an integer number (710160).

Almost surely, 24805213 is an apocalyptic number.

It is an amenable number.

4805213 is a deficient number, since it is larger than the sum of its proper divisors (876067).

4805213 is a wasteful number, since it uses less digits than its factorization.

4805213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23707.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4805213 is about 2192.0796062187. The cubic root of 4805213 is about 168.7475778345.

The spelling of 4805213 in words is "four million, eight hundred five thousand, two hundred thirteen".

Divisors: 1 7 29 203 23671 165697 686459 4805213