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2057349 = 373132
BaseRepresentation
bin111110110010010000101
310212112011010
413312102011
51011313344
6112032433
723326050
oct7662205
93775133
102057349
111185798
12832719
13570588
143b7a97
152a98b9
hex1f6485

2057349 has 12 divisors (see below), whose sum is σ = 3145056. Its totient is φ = 1171872.

The previous prime is 2057333. The next prime is 2057353. The reversal of 2057349 is 9437502.

It is not a de Polignac number, because 2057349 - 24 = 2057333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057309) 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 11 ways as a sum of consecutive naturals, for example, 6417 + ... + 6729.

It is an arithmetic number, because the mean of its divisors is an integer number (262088).

22057349 is an apocalyptic number.

It is an amenable number.

2057349 is a deficient number, since it is larger than the sum of its proper divisors (1087707).

2057349 is an frugal number, since it uses more digits than its factorization.

2057349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 2057349 is about 1434.3461925212. The cubic root of 2057349 is about 127.1850280032.

The spelling of 2057349 in words is "two million, fifty-seven thousand, three hundred forty-nine".

Divisors: 1 3 7 21 313 939 2191 6573 97969 293907 685783 2057349