Search a number
-
+
7240011001 = 23378507651
BaseRepresentation
bin1101011111000100…
…11100110011111001
3200200120100122222121
412233202130303321
5104311420323001
63154230321241
7344262035536
oct65742346371
920616318877
107240011001
113085885473
1214a07b9221
138b4c5baa2
144c9795d8d
152c59286a1
hex1af89ccf9

7240011001 has 8 divisors (see below), whose sum is σ = 7758978624. Its totient is φ = 6738058800.

The previous prime is 7240010969. The next prime is 7240011013. The reversal of 7240011001 is 1001100427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7240011001 - 25 = 7240010969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7240011091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4252975 + ... + 4254676.

It is an arithmetic number, because the mean of its divisors is an integer number (969872328).

Almost surely, 27240011001 is an apocalyptic number.

It is an amenable number.

7240011001 is a deficient number, since it is larger than the sum of its proper divisors (518967623).

7240011001 is a wasteful number, since it uses less digits than its factorization.

7240011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507711.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 7240011001 is about 85088.2541894003. The cubic root of 7240011001 is about 1934.5490340036.

Adding to 7240011001 its reverse (1001100427), we get a palindrome (8241111428).

The spelling of 7240011001 in words is "seven billion, two hundred forty million, eleven thousand, one".

Divisors: 1 23 37 851 8507651 195675973 314783087 7240011001