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2050019 = 13115649
BaseRepresentation
bin111110100011111100011
310212011002122
413310133203
51011100034
6111534455
723265506
oct7643743
93764078
102050019
111180234
1282a42b
1356a13a
143b513d
152a762e
hex1f47e3

2050019 has 4 divisors (see below), whose sum is σ = 2065800. Its totient is φ = 2034240.

The previous prime is 2050007. The next prime is 2050021. The reversal of 2050019 is 9100502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2050019 is a prime.

It is a super-2 number, since 2×20500192 = 8405155800722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2049979 and 2050006.

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, 7694 + ... + 7955.

It is an arithmetic number, because the mean of its divisors is an integer number (516450).

22050019 is an apocalyptic number.

2050019 is a deficient number, since it is larger than the sum of its proper divisors (15781).

2050019 is a wasteful number, since it uses less digits than its factorization.

2050019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15780.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 2050019 is about 1431.7887414001. The cubic root of 2050019 is about 127.0338017370.

The spelling of 2050019 in words is "two million, fifty thousand, nineteen".

Divisors: 1 131 15649 2050019