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2050013 = 721723107
BaseRepresentation
bin111110100011111011101
310212011002102
413310133131
51011100023
6111534445
723265500
oct7643735
93764072
102050013
111180229
1282a425
1356a134
143b5137
152a7628
hex1f47dd

2050013 has 24 divisors (see below), whose sum is σ = 2659392. Its totient is φ = 1567104.

The previous prime is 2050007. The next prime is 2050021. The reversal of 2050013 is 3100502.

It is not a de Polignac number, because 2050013 - 218 = 1787869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2049976 and 2050003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19106 + ... + 19212.

It is an arithmetic number, because the mean of its divisors is an integer number (110808).

22050013 is an apocalyptic number.

2050013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2050013 is a deficient number, since it is larger than the sum of its proper divisors (609379).

2050013 is a wasteful number, since it uses less digits than its factorization.

2050013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 2050013 is about 1431.7866461174. The cubic root of 2050013 is about 127.0336778026.

Adding to 2050013 its reverse (3100502), we get a palindrome (5150515).

The spelling of 2050013 in words is "two million, fifty thousand, thirteen".

Divisors: 1 7 17 23 49 107 119 161 391 749 833 1127 1819 2461 2737 5243 12733 17227 19159 41837 89131 120589 292859 2050013