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3240121 = 22914149
BaseRepresentation
bin1100010111000010111001
320002121121111
430113002321
51312140441
6153240321
736353263
oct14270271
96077544
103240121
111913395
1211030a1
13895a41
14604b33
15440081
hex3170b9

3240121 has 4 divisors (see below), whose sum is σ = 3254500. Its totient is φ = 3225744.

The previous prime is 3240119. The next prime is 3240131. The reversal of 3240121 is 1210423.

3240121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1210423 = 6119843.

It can be written as a sum of positive squares in 2 ways, for example, as 3027600 + 212521 = 1740^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 3240121 - 21 = 3240119 is a prime.

It is a super-4 number, since 4×32401214 (a number of 27 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3240101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6846 + ... + 7303.

It is an arithmetic number, because the mean of its divisors is an integer number (813625).

Almost surely, 23240121 is an apocalyptic number.

It is an amenable number.

3240121 is a deficient number, since it is larger than the sum of its proper divisors (14379).

3240121 is a wasteful number, since it uses less digits than its factorization.

3240121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14378.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3240121 is about 1800.0336107973. The cubic root of 3240121 is about 147.9745664842.

Adding to 3240121 its reverse (1210423), we get a palindrome (4450544).

The spelling of 3240121 in words is "three million, two hundred forty thousand, one hundred twenty-one".

Divisors: 1 229 14149 3240121