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3228741 = 3643103
BaseRepresentation
bin1100010100010001000101
320002001000000
430110101011
51311304431
6153111513
736305145
oct14242105
96061000
103228741
11190588a
1210b8599
138907c9
14600925
1543b9e6
hex314445

3228741 has 28 divisors (see below), whose sum is σ = 5001568. Its totient is φ = 2082024.

The previous prime is 3228739. The next prime is 3228751. The reversal of 3228741 is 1478223.

It is not a de Polignac number, because 3228741 - 21 = 3228739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228751) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 31296 + ... + 31398.

Almost surely, 23228741 is an apocalyptic number.

It is an amenable number.

3228741 is a deficient number, since it is larger than the sum of its proper divisors (1772827).

3228741 is an equidigital number, since it uses as much as digits as its factorization.

3228741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 149 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 3228741 is about 1796.8697782533. The cubic root of 3228741 is about 147.8011237961.

It can be divided in two parts, 3228 and 741, that added together give a square (3969 = 632).

The spelling of 3228741 in words is "three million, two hundred twenty-eight thousand, seven hundred forty-one".

Divisors: 1 3 9 27 43 81 103 129 243 309 387 729 927 1161 2781 3483 4429 8343 10449 13287 25029 31347 39861 75087 119583 358749 1076247 3228741