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2648993 = 53151331
BaseRepresentation
bin1010000110101110100001
311222120201212
422012232201
51134231433
6132435505
731342004
oct12065641
94876655
102648993
11154a256
12a78b95
13719969
144cd53b
15374d48
hex286ba1

2648993 has 8 divisors (see below), whose sum is σ = 2725056. Its totient is φ = 2574000.

The previous prime is 2648963. The next prime is 2649001. The reversal of 2648993 is 3998462.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2648993 - 210 = 2647969 is a prime.

It is a d-powerful number, because it can be written as 219 + 65 + 4 + 87 + 9 + 92 + 39 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2648993.

It is not an unprimeable number, because it can be changed into a prime (2648903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7838 + ... + 8168.

It is an arithmetic number, because the mean of its divisors is an integer number (340632).

22648993 is an apocalyptic number.

It is an amenable number.

2648993 is a deficient number, since it is larger than the sum of its proper divisors (76063).

2648993 is a wasteful number, since it uses less digits than its factorization.

2648993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its digits is 93312, while the sum is 41.

The square root of 2648993 is about 1627.5727326298. The cubic root of 2648993 is about 138.3652196620.

The spelling of 2648993 in words is "two million, six hundred forty-eight thousand, nine hundred ninety-three".

Divisors: 1 53 151 331 8003 17543 49981 2648993