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2494191 = 37731627
BaseRepresentation
bin1001100000111011101111
311200201101110
421200323233
51114303231
6125243103
730125460
oct11407357
94621343
102494191
111453a17
12a03493
1369436b
1448cd67
15344046
hex260eef

2494191 has 16 divisors (see below), whose sum is σ = 3855104. Its totient is φ = 1404864.

The previous prime is 2494171. The next prime is 2494201. The reversal of 2494191 is 1914942.

It is not a de Polignac number, because 2494191 - 210 = 2493167 is a prime.

It is a Duffinian number.

2494191 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2494171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720 + ... + 2346.

It is an arithmetic number, because the mean of its divisors is an integer number (240944).

22494191 is an apocalyptic number.

2494191 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2494191 is a deficient number, since it is larger than the sum of its proper divisors (1360913).

2494191 is a wasteful number, since it uses less digits than its factorization.

2494191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710.

The product of its digits is 2592, while the sum is 30.

The square root of 2494191 is about 1579.3007946557. The cubic root of 2494191 is about 135.6156789590.

The spelling of 2494191 in words is "two million, four hundred ninety-four thousand, one hundred ninety-one".

Divisors: 1 3 7 21 73 219 511 1533 1627 4881 11389 34167 118771 356313 831397 2494191