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2010949 = 9972017
BaseRepresentation
bin111101010111101000101
310210011111121
413222331011
51003322244
6111033541
723043553
oct7527505
93704447
102010949
111153946
1280b8b1
13555415
143a4bd3
1529ac84
hex1eaf45

2010949 has 4 divisors (see below), whose sum is σ = 2013964. Its totient is φ = 2007936.

The previous prime is 2010929. The next prime is 2010971. The reversal of 2010949 is 9490102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9490102 = 24745051.

It can be written as a sum of positive squares in 2 ways, for example, as 1716100 + 294849 = 1310^2 + 543^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010949 - 211 = 2008901 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 (2010929) 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, 12 + ... + 2005.

It is an arithmetic number, because the mean of its divisors is an integer number (503491).

22010949 is an apocalyptic number.

It is an amenable number.

2010949 is a deficient number, since it is larger than the sum of its proper divisors (3015).

2010949 is an equidigital number, since it uses as much as digits as its factorization.

2010949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2010949 is about 1418.0793348752. The cubic root of 2010949 is about 126.2216012980.

The spelling of 2010949 in words is "two million, ten thousand, nine hundred forty-nine".

Divisors: 1 997 2017 2010949