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3228809 = 23791777
BaseRepresentation
bin1100010100010010001001
320002001002112
430110102021
51311310214
6153112105
736305303
oct14242211
96061075
103228809
111905941
1210b8635
1389084c
14600973
1543ba3e
hex314489

3228809 has 8 divisors (see below), whose sum is σ = 3413760. Its totient is φ = 3047616.

The previous prime is 3228781. The next prime is 3228811. The reversal of 3228809 is 9088223.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3228809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3228829) 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, 929 + ... + 2705.

It is an arithmetic number, because the mean of its divisors is an integer number (426720).

Almost surely, 23228809 is an apocalyptic number.

It is an amenable number.

3228809 is a deficient number, since it is larger than the sum of its proper divisors (184951).

3228809 is a wasteful number, since it uses less digits than its factorization.

3228809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3228809 is about 1796.8886999478. Note that the first 3 decimals coincide. The cubic root of 3228809 is about 147.8021613942.

The spelling of 3228809 in words is "three million, two hundred twenty-eight thousand, eight hundred nine".

Divisors: 1 23 79 1777 1817 40871 140383 3228809