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3230040 = 2335112447
BaseRepresentation
bin1100010100100101011000
320002002210010
430110211120
51311330130
6153121520
736312012
oct14244530
96062703
103230040
111906860
1210b92a0
13891288
146011b2
1543c0b0
hex314958

3230040 has 64 divisors (see below), whose sum is σ = 10575360. Its totient is φ = 782720.

The previous prime is 3230039. The next prime is 3230047. The reversal of 3230040 is 400323.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3229998 and 3230025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97 + ... + 2543.

It is an arithmetic number, because the mean of its divisors is an integer number (165240).

Almost surely, 23230040 is an apocalyptic number.

3230040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3230040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5287680).

3230040 is an abundant number, since it is smaller than the sum of its proper divisors (7345320).

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

3230040 is a wasteful number, since it uses less digits than its factorization.

3230040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472 (or 2468 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 3230040 is about 1797.2312038244. The cubic root of 3230040 is about 147.8209424517.

Adding to 3230040 its reverse (400323), we get a palindrome (3630363).

The spelling of 3230040 in words is "three million, two hundred thirty thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 2447 4894 7341 9788 12235 14682 19576 24470 26917 29364 36705 48940 53834 58728 73410 80751 97880 107668 134585 146820 161502 215336 269170 293640 323004 403755 538340 646008 807510 1076680 1615020 3230040