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2050997 = 13157769
BaseRepresentation
bin111110100101110110101
310212012102212
413310232311
51011112442
6111543205
723301404
oct7645665
93765385
102050997
111180a43
1282ab05
1356a710
143b563b
152a7a82
hex1f4bb5

2050997 has 4 divisors (see below), whose sum is σ = 2208780. Its totient is φ = 1893216.

The previous prime is 2050987. The next prime is 2051041. The reversal of 2050997 is 7990502.

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 988036 + 1062961 = 994^2 + 1031^2 .

It is not a de Polignac number, because 2050997 - 210 = 2049973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050957) 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, 78872 + ... + 78897.

It is an arithmetic number, because the mean of its divisors is an integer number (552195).

22050997 is an apocalyptic number.

It is an amenable number.

2050997 is a deficient number, since it is larger than the sum of its proper divisors (157783).

2050997 is a wasteful number, since it uses less digits than its factorization.

2050997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157782.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 2050997 is about 1432.1302315083. The cubic root of 2050997 is about 127.0539998110.

The spelling of 2050997 in words is "two million, fifty thousand, nine hundred ninety-seven".

Divisors: 1 13 157769 2050997