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2490893 = 7135083
BaseRepresentation
bin1001100000001000001101
311200112212022
421200020031
51114202033
6125215525
730113036
oct11401015
94615768
102490893
111451499
12a015a5
13692a02
1448ba8d
15343098
hex26020d

2490893 has 4 divisors (see below), whose sum is σ = 2526048. Its totient is φ = 2455740.

The previous prime is 2490889. The next prime is 2490899. The reversal of 2490893 is 3980942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2490893 - 22 = 2490889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490899) 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 3 ways as a sum of consecutive naturals, for example, 17471 + ... + 17612.

It is an arithmetic number, because the mean of its divisors is an integer number (631512).

22490893 is an apocalyptic number.

It is an amenable number.

2490893 is a deficient number, since it is larger than the sum of its proper divisors (35155).

2490893 is an equidigital number, since it uses as much as digits as its factorization.

2490893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35154.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2490893 is about 1578.2563163187. The cubic root of 2490893 is about 135.5558789694. Note that the first 3 decimals are identical.

The spelling of 2490893 in words is "two million, four hundred ninety thousand, eight hundred ninety-three".

Divisors: 1 71 35083 2490893