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2490917 = 111317419
BaseRepresentation
bin1001100000001000100101
311200112220012
421200020211
51114202132
6125220005
730113102
oct11401045
94615805
102490917
111451510
12a01605
13692a20
1448baa9
153430b2
hex260225

2490917 has 8 divisors (see below), whose sum is σ = 2926560. Its totient is φ = 2090160.

The previous prime is 2490907. The next prime is 2490931. The reversal of 2490917 is 7190942.

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 2490917 - 28 = 2490661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8567 + ... + 8852.

It is an arithmetic number, because the mean of its divisors is an integer number (365820).

22490917 is an apocalyptic number.

It is an amenable number.

2490917 is a deficient number, since it is larger than the sum of its proper divisors (435643).

2490917 is a wasteful number, since it uses less digits than its factorization.

2490917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17443.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 2490917 is about 1578.2639196281. The cubic root of 2490917 is about 135.5563143328.

The spelling of 2490917 in words is "two million, four hundred ninety thousand, nine hundred seventeen".

Divisors: 1 11 13 143 17419 191609 226447 2490917