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7240641 = 33724143
BaseRepresentation
bin11011100111101111000001
3111121212021220
4123213233001
53323200031
6415105253
7115354512
oct33475701
914555256
107240641
1140a6001
122512229
131666905
14d66a09
15980596
hex6e7bc1

7240641 has 24 divisors (see below), whose sum is σ = 10400544. Its totient is φ = 4475520.

The previous prime is 7240637. The next prime is 7240643. The reversal of 7240641 is 1460427.

It is not a de Polignac number, because 7240641 - 22 = 7240637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7240643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168366 + ... + 168408.

It is an arithmetic number, because the mean of its divisors is an integer number (433356).

Almost surely, 27240641 is an apocalyptic number.

It is an amenable number.

7240641 is a deficient number, since it is larger than the sum of its proper divisors (3159903).

7240641 is a wasteful number, since it uses less digits than its factorization.

7240641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 7240641 is about 2690.8439196654. The cubic root of 7240641 is about 193.4605144812.

The spelling of 7240641 in words is "seven million, two hundred forty thousand, six hundred forty-one".

Divisors: 1 3 37 41 43 111 123 129 1369 1517 1591 1763 4107 4551 4773 5289 56129 58867 65231 168387 176601 195693 2413547 7240641