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2449993 = 713219109
BaseRepresentation
bin1001010110001001001001
311121110202111
421112021021
51111344433
6124302321
726552560
oct11261111
94543674
102449993
111423797
129a19a1
1367a200
1447abd7
15335dcd
hex256249

2449993 has 24 divisors (see below), whose sum is σ = 3220800. Its totient is φ = 1819584.

The previous prime is 2449991. The next prime is 2449999. The reversal of 2449993 is 3999442.

It is not a de Polignac number, because 2449993 - 21 = 2449991 is a prime.

It is a Duffinian number.

2449993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2449991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22423 + ... + 22531.

It is an arithmetic number, because the mean of its divisors is an integer number (134200).

22449993 is an apocalyptic number.

It is an amenable number.

2449993 is a deficient number, since it is larger than the sum of its proper divisors (770807).

2449993 is a wasteful number, since it uses less digits than its factorization.

2449993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 148 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 2449993 is about 1565.2453481803. The cubic root of 2449993 is about 134.8098465982.

The spelling of 2449993 in words is "two million, four hundred forty-nine thousand, nine hundred ninety-three".

Divisors: 1 7 13 19 91 109 133 169 247 763 1183 1417 1729 2071 3211 9919 14497 18421 22477 26923 128947 188461 349999 2449993