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4728361 = 11429851
BaseRepresentation
bin10010000010011000101001
322220020002111
4102002120221
52202301421
6245202321
755122211
oct22023051
98806074
104728361
11273a540
1217003a1
13c97261
148b1241
15635ee1
hex482629

4728361 has 4 divisors (see below), whose sum is σ = 5158224. Its totient is φ = 4298500.

The previous prime is 4728349. The next prime is 4728379. The reversal of 4728361 is 1638274.

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 4728361 - 27 = 4728233 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 411 + 73 + 211 + 8 + 312 + 63 + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4728301) 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, 214915 + ... + 214936.

It is an arithmetic number, because the mean of its divisors is an integer number (1289556).

Almost surely, 24728361 is an apocalyptic number.

It is an amenable number.

4728361 is a deficient number, since it is larger than the sum of its proper divisors (429863).

4728361 is a wasteful number, since it uses less digits than its factorization.

4728361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429862.

The product of its digits is 8064, while the sum is 31.

The square root of 4728361 is about 2174.4794779441. The cubic root of 4728361 is about 167.8431193268.

The spelling of 4728361 in words is "four million, seven hundred twenty-eight thousand, three hundred sixty-one".

Divisors: 1 11 429851 4728361