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2049219 = 37937
BaseRepresentation
bin111110100010011000011
310212010000000
413310103003
51011033334
6111531043
723263254
oct7642303
93763000
102049219
11117a677
12829a83
13569973
143b4b2b
152a7299
hex1f44c3

2049219 has 16 divisors (see below), whose sum is σ = 3076640. Its totient is φ = 1364688.

The previous prime is 2049191. The next prime is 2049263. The reversal of 2049219 is 9129402.

It is not a de Polignac number, because 2049219 - 213 = 2041027 is a prime.

It is a super-2 number, since 2×20492192 = 8398597019922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2049192 and 2049201.

It is not an unprimeable number, because it can be changed into a prime (2049269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719 + ... + 2655.

It is an arithmetic number, because the mean of its divisors is an integer number (192290).

22049219 is an apocalyptic number.

2049219 is a deficient number, since it is larger than the sum of its proper divisors (1027421).

2049219 is an frugal number, since it uses more digits than its factorization.

2049219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2049219 is about 1431.5093433156. The cubic root of 2049219 is about 127.0172750180.

The spelling of 2049219 in words is "two million, forty-nine thousand, two hundred nineteen".

Divisors: 1 3 9 27 81 243 729 937 2187 2811 8433 25299 75897 227691 683073 2049219