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2048917 = 133972
BaseRepresentation
bin111110100001110010101
310212002120211
413310032111
51011031132
6111525421
723262343
oct7641625
93762524
102048917
11117a422
12829871
135697a0
143b4993
152a7147
hex1f4395

2048917 has 6 divisors (see below), whose sum is σ = 2212098. Its totient is φ = 1886544.

The previous prime is 2048911. The next prime is 2048933. The reversal of 2048917 is 7198402.

It can be written as a sum of positive squares in 3 ways, for example, as 269361 + 1779556 = 519^2 + 1334^2 .

It is not a de Polignac number, because 2048917 - 219 = 1524629 is a prime.

It is a super-3 number, since 3×20489173 = 25804434868491333639, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2048911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4963 + ... + 5359.

It is an arithmetic number, because the mean of its divisors is an integer number (368683).

22048917 is an apocalyptic number.

It is an amenable number.

2048917 is a deficient number, since it is larger than the sum of its proper divisors (163181).

2048917 is an frugal number, since it uses more digits than its factorization.

2048917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2048917 is about 1431.4038563592. The cubic root of 2048917 is about 127.0110350632.

The spelling of 2048917 in words is "two million, forty-eight thousand, nine hundred seventeen".

Divisors: 1 13 397 5161 157609 2048917