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2630705 = 57116833
BaseRepresentation
bin1010000010010000110001
311221122122112
422002100301
51133140310
6132215105
731234460
oct12022061
94848575
102630705
111537540
12a6a495
1371153c
144c69d7
1536e705
hex282431

2630705 has 16 divisors (see below), whose sum is σ = 3936384. Its totient is φ = 1639680.

The previous prime is 2630689. The next prime is 2630707. The reversal of 2630705 is 5070362.

It is not a de Polignac number, because 2630705 - 24 = 2630689 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630707) 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, 3032 + ... + 3801.

It is an arithmetic number, because the mean of its divisors is an integer number (246024).

22630705 is an apocalyptic number.

It is an amenable number.

2630705 is a deficient number, since it is larger than the sum of its proper divisors (1305679).

2630705 is a wasteful number, since it uses less digits than its factorization.

2630705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 2630705 is about 1621.9448202698. The cubic root of 2630705 is about 138.0460708741.

The spelling of 2630705 in words is "two million, six hundred thirty thousand, seven hundred five".

Divisors: 1 5 7 11 35 55 77 385 6833 34165 47831 75163 239155 375815 526141 2630705