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2000749 = 5933911
BaseRepresentation
bin111101000011101101101
310202122111211
413220131231
51003010444
6110514421
723002042
oct7503555
93678454
102000749
111147213
12805a11
1355089a
143a11c9
15297c34
hex1e876d

2000749 has 4 divisors (see below), whose sum is σ = 2034720. Its totient is φ = 1966780.

The previous prime is 2000731. The next prime is 2000753. The reversal of 2000749 is 9470002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2000749 - 25 = 2000717 is a prime.

It is a super-2 number, since 2×20007492 = 8005993122002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16897 + ... + 17014.

It is an arithmetic number, because the mean of its divisors is an integer number (508680).

22000749 is an apocalyptic number.

It is an amenable number.

2000749 is a deficient number, since it is larger than the sum of its proper divisors (33971).

2000749 is an equidigital number, since it uses as much as digits as its factorization.

2000749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33970.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 2000749 is about 1414.4783490743. The cubic root of 2000749 is about 126.0078310410.

The spelling of 2000749 in words is "two million, seven hundred forty-nine", and thus it is an aban number.

Divisors: 1 59 33911 2000749