Search a number
-
+
3230144 = 26411231
BaseRepresentation
bin1100010100100111000000
320002002220222
430110213000
51311331034
6153122212
736312221
oct14244700
96062828
103230144
111906945
1210b9368
13891338
14601248
1543c12e
hex3149c0

3230144 has 28 divisors (see below), whose sum is σ = 6571488. Its totient is φ = 1574400.

The previous prime is 3230141. The next prime is 3230167. The reversal of 3230144 is 4410323.

3230144 = 912 + 922 + ... + 2182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230141) 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, 2009 + ... + 3239.

It is an arithmetic number, because the mean of its divisors is an integer number (234696).

Almost surely, 23230144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3285744).

3230144 is an abundant number, since it is smaller than the sum of its proper divisors (3341344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3230144 is a wasteful number, since it uses less digits than its factorization.

3230144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3230144 is about 1797.2601369863. The cubic root of 3230144 is about 147.8225289350.

Adding to 3230144 its reverse (4410323), we get a palindrome (7640467).

The spelling of 3230144 in words is "three million, two hundred thirty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 41 64 82 164 328 656 1231 1312 2462 2624 4924 9848 19696 39392 50471 78784 100942 201884 403768 807536 1615072 3230144