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2050049 = 2697621
BaseRepresentation
bin111110100100000000001
310212011010202
413310200001
51011100144
6111534545
723265551
oct7644001
93764122
102050049
111180261
1282a455
1356a161
143b5161
152a764e
hex1f4801

2050049 has 4 divisors (see below), whose sum is σ = 2057940. Its totient is φ = 2042160.

The previous prime is 2050033. The next prime is 2050057. The reversal of 2050049 is 9400502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 937024 + 1113025 = 968^2 + 1055^2 .

It is a cyclic number.

It is not a de Polignac number, because 2050049 - 24 = 2050033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2050049.

It is not an unprimeable number, because it can be changed into a prime (2050079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3542 + ... + 4079.

It is an arithmetic number, because the mean of its divisors is an integer number (514485).

It is a Proth number, since it is equal to 1001 ⋅ 211 + 1 and 1001 < 211.

22050049 is an apocalyptic number.

It is an amenable number.

2050049 is a deficient number, since it is larger than the sum of its proper divisors (7891).

2050049 is an equidigital number, since it uses as much as digits as its factorization.

2050049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7890.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2050049 is about 1431.7992177676. The cubic root of 2050049 is about 127.0344214053.

The spelling of 2050049 in words is "two million, fifty thousand, forty-nine".

Divisors: 1 269 7621 2050049