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2493953 = 7311661
BaseRepresentation
bin1001100000111000000001
311200201001122
421200320001
51114301303
6125242025
730125000
oct11407001
94621048
102493953
111453820
12a03315
13694217
1448cc37
15343e38
hex260e01

2493953 has 16 divisors (see below), whose sum is σ = 3177600. Its totient is φ = 1940400.

The previous prime is 2493949. The next prime is 2493979. The reversal of 2493953 is 3593942.

It is not a de Polignac number, because 2493953 - 22 = 2493949 is a prime.

It is a d-powerful number, because it can be written as 213 + 45 + 9 + 34 + 92 + 59 + 312 .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2493923) 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 15 ways as a sum of consecutive naturals, for example, 3443 + ... + 4103.

It is an arithmetic number, because the mean of its divisors is an integer number (198600).

22493953 is an apocalyptic number.

It is an amenable number.

2493953 is a deficient number, since it is larger than the sum of its proper divisors (683647).

2493953 is an equidigital number, since it uses as much as digits as its factorization.

2493953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 679 counting only the distinct ones).

The product of its digits is 29160, while the sum is 35.

The square root of 2493953 is about 1579.2254430575. The cubic root of 2493953 is about 135.6113652613.

The spelling of 2493953 in words is "two million, four hundred ninety-three thousand, nine hundred fifty-three".

Divisors: 1 7 11 49 77 343 539 661 3773 4627 7271 32389 50897 226723 356279 2493953