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3240324 = 223473137
BaseRepresentation
bin1100010111000110000100
320002121220000
430113012010
51312142244
6153241300
736354003
oct14270604
96077800
103240324
11191355a
121103230
13895b69
14604c3a
15440169
hex317184

3240324 has 60 divisors (see below), whose sum is σ = 8649564. Its totient is φ = 1057536.

The previous prime is 3240311. The next prime is 3240329. The reversal of 3240324 is 4230423.

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 1368900 = 1368^2 + 1170^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3240297 and 3240306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240329) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23584 + ... + 23720.

Almost surely, 23240324 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 3240324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4324782).

3240324 is an abundant number, since it is smaller than the sum of its proper divisors (5409240).

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

3240324 is a wasteful number, since it uses less digits than its factorization.

3240324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3240324 is about 1800.0899977501. The cubic root of 3240324 is about 147.9776567196.

Adding to 3240324 its reverse (4230423), we get a palindrome (7470747).

Subtracting 3240324 from its reverse (4230423), we obtain a palindrome (990099).

The spelling of 3240324 in words is "three million, two hundred forty thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 73 81 108 137 146 162 219 274 292 324 411 438 548 657 822 876 1233 1314 1644 1971 2466 2628 3699 3942 4932 5913 7398 7884 10001 11097 11826 14796 20002 22194 23652 30003 40004 44388 60006 90009 120012 180018 270027 360036 540054 810081 1080108 1620162 3240324