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7250041 = 174211013
BaseRepresentation
bin11011101010000001111001
3111122100012001
4123222001321
53324000131
6415221001
7115424101
oct33520171
914570161
107250041
114102077
122517761
13166ac86
14d6a201
15983261
hex6ea079

7250041 has 8 divisors (see below), whose sum is σ = 7702344. Its totient is φ = 6800640.

The previous prime is 7250027. The next prime is 7250051. The reversal of 7250041 is 1400527.

It can be written as a sum of positive squares in 4 ways, for example, as 254016 + 6996025 = 504^2 + 2645^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7250041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7250011) 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, 6651 + ... + 7663.

It is an arithmetic number, because the mean of its divisors is an integer number (962793).

Almost surely, 27250041 is an apocalyptic number.

It is an amenable number.

7250041 is a deficient number, since it is larger than the sum of its proper divisors (452303).

7250041 is a wasteful number, since it uses less digits than its factorization.

7250041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 7250041 is about 2692.5900170654. The cubic root of 7250041 is about 193.5441968719.

Adding to 7250041 its reverse (1400527), we get a palindrome (8650568).

The spelling of 7250041 in words is "seven million, two hundred fifty thousand, forty-one".

Divisors: 1 17 421 1013 7157 17221 426473 7250041