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2057241 = 3685747
BaseRepresentation
bin111110110010000011001
310212112000010
413312100121
51011312431
6112032133
723325534
oct7662031
93775003
102057241
1111856aa
12832649
13570504
143b7a1b
152a9846
hex1f6419

2057241 has 4 divisors (see below), whose sum is σ = 2742992. Its totient is φ = 1371492.

The previous prime is 2057233. The next prime is 2057291. The reversal of 2057241 is 1427502.

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.

It is not a de Polignac number, because 2057241 - 23 = 2057233 is a prime.

It is a super-3 number, since 3×20572413 = 26120216233376545563, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2057291) 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 3 ways as a sum of consecutive naturals, for example, 342871 + ... + 342876.

It is an arithmetic number, because the mean of its divisors is an integer number (685748).

22057241 is an apocalyptic number.

It is an amenable number.

2057241 is a deficient number, since it is larger than the sum of its proper divisors (685751).

2057241 is an equidigital number, since it uses as much as digits as its factorization.

2057241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685750.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2057241 is about 1434.3085442122. The cubic root of 2057241 is about 127.1828024493.

The spelling of 2057241 in words is "two million, fifty-seven thousand, two hundred forty-one".

Divisors: 1 3 685747 2057241