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2793985 = 53831459
BaseRepresentation
bin1010101010001000000001
312020221121221
422222020001
51203401420
6135515041
732514505
oct12521001
95227557
102793985
111639187
12b28a81
1376a95c
1452a305
153a2caa
hex2aa201

2793985 has 8 divisors (see below), whose sum is σ = 3363840. Its totient is φ = 2227824.

The previous prime is 2793949. The next prime is 2793991. The reversal of 2793985 is 5893972.

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 2793985 - 211 = 2791937 is a prime.

It is a d-powerful number, because it can be written as 213 + 73 + 95 + 39 + 96 + 87 + 57 .

It is an unprimeable number.

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, 1186 + ... + 2644.

It is an arithmetic number, because the mean of its divisors is an integer number (420480).

22793985 is an apocalyptic number.

It is an amenable number.

2793985 is a deficient number, since it is larger than the sum of its proper divisors (569855).

2793985 is a wasteful number, since it uses less digits than its factorization.

2793985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847.

The product of its digits is 136080, while the sum is 43.

The square root of 2793985 is about 1671.5217617489. The cubic root of 2793985 is about 140.8449748983.

The spelling of 2793985 in words is "two million, seven hundred ninety-three thousand, nine hundred eighty-five".

Divisors: 1 5 383 1459 1915 7295 558797 2793985