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2057437 = 13031579
BaseRepresentation
bin111110110010011011101
310212112021101
413312103131
51011314222
6112033101
723326234
oct7662335
93775241
102057437
111185868
12832791
13570625
143b7b1b
152a9927
hex1f64dd

2057437 has 4 divisors (see below), whose sum is σ = 2060320. Its totient is φ = 2054556.

The previous prime is 2057431. The next prime is 2057441. The reversal of 2057437 is 7347502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2057437 - 27 = 2057309 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 (2057431) 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, 514 + ... + 2092.

It is an arithmetic number, because the mean of its divisors is an integer number (515080).

22057437 is an apocalyptic number.

It is an amenable number.

2057437 is a deficient number, since it is larger than the sum of its proper divisors (2883).

2057437 is a wasteful number, since it uses less digits than its factorization.

2057437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 2057437 is about 1434.3768681905. The cubic root of 2057437 is about 127.1868413600.

The spelling of 2057437 in words is "two million, fifty-seven thousand, four hundred thirty-seven".

Divisors: 1 1303 1579 2057437