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2490693 = 32336097
BaseRepresentation
bin1001100000000101000101
311200112120220
421200011011
51114200233
6125214553
730112332
oct11400505
94615526
102490693
111451327
12a01459
136928aa
1448b989
15342eb3
hex260145

2490693 has 8 divisors (see below), whose sum is σ = 3465408. Its totient is φ = 1588224.

The previous prime is 2490679. The next prime is 2490701. The reversal of 2490693 is 3960942.

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

It is not a de Polignac number, because 2490693 - 25 = 2490661 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

2490693 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490613) 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, 17980 + ... + 18117.

It is an arithmetic number, because the mean of its divisors is an integer number (433176).

22490693 is an apocalyptic number.

2490693 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2490693 is a deficient number, since it is larger than the sum of its proper divisors (974715).

2490693 is a wasteful number, since it uses less digits than its factorization.

2490693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36123.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 2490693 is about 1578.1929539825. The cubic root of 2490693 is about 135.5522508327.

The spelling of 2490693 in words is "two million, four hundred ninety thousand, six hundred ninety-three".

Divisors: 1 3 23 69 36097 108291 830231 2490693