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3240661241 = 24731310417
BaseRepresentation
bin1100000100101000…
…1001000011111001
322100211212122111102
43001022021003321
523114102124431
61253322341145
7143210110646
oct30112110371
98324778442
103240661241
1114132a5834
1276535a7b5
133c850733c
1422a570dcd
1513e780dcb
hexc12890f9

3240661241 has 4 divisors (see below), whose sum is σ = 3241974132. Its totient is φ = 3239348352.

The previous prime is 3240661183. The next prime is 3240661267. The reversal of 3240661241 is 1421660423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2957075641 + 283585600 = 54379^2 + 16840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3240661241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3240661271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652736 + ... + 657681.

It is an arithmetic number, because the mean of its divisors is an integer number (810493533).

Almost surely, 23240661241 is an apocalyptic number.

It is an amenable number.

3240661241 is a deficient number, since it is larger than the sum of its proper divisors (1312891).

3240661241 is a wasteful number, since it uses less digits than its factorization.

3240661241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312890.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 3240661241 is about 56926.8059968237. The cubic root of 3240661241 is about 1479.8279019817.

The spelling of 3240661241 in words is "three billion, two hundred forty million, six hundred sixty-one thousand, two hundred forty-one".

Divisors: 1 2473 1310417 3240661241