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2689049 = 11376607
BaseRepresentation
bin1010010000100000011001
312001121200102
422100200121
51142022144
6133345145
731566536
oct12204031
95047612
102689049
111577360
12a981b5
13731c6c
144ddd8d
15381b4e
hex290819

2689049 has 8 divisors (see below), whose sum is σ = 3013248. Its totient is φ = 2378160.

The previous prime is 2689031. The next prime is 2689073. The reversal of 2689049 is 9409862.

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 2689049 - 212 = 2684953 is a prime.

It is a super-3 number, since 3×26890493 = 58333415113067953947, which contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2689019) 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 7 ways as a sum of consecutive naturals, for example, 2897 + ... + 3710.

It is an arithmetic number, because the mean of its divisors is an integer number (376656).

22689049 is an apocalyptic number.

It is an amenable number.

2689049 is a deficient number, since it is larger than the sum of its proper divisors (324199).

2689049 is a wasteful number, since it uses less digits than its factorization.

2689049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2689049 is about 1639.8320035906. The cubic root of 2689049 is about 139.0591505064.

The spelling of 2689049 in words is "two million, six hundred eighty-nine thousand, forty-nine".

Divisors: 1 11 37 407 6607 72677 244459 2689049