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2055761 = 6167503
BaseRepresentation
bin111110101111001010001
310212102222022
413311321101
51011241021
6112021225
723321321
oct7657121
93772868
102055761
111184584
12831815
1356c936
143b7281
152a91ab
hex1f5e51

2055761 has 8 divisors (see below), whose sum is σ = 2124864. Its totient is φ = 1987920.

The previous prime is 2055751. The next prime is 2055769. The reversal of 2055761 is 1675502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2055761 is a prime.

It is a super-3 number, since 3×20557613 = 26063883335390028243, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2055761.

It is not an unprimeable number, because it can be changed into a prime (2055769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3836 + ... + 4338.

It is an arithmetic number, because the mean of its divisors is an integer number (265608).

22055761 is an apocalyptic number.

It is an amenable number.

2055761 is a deficient number, since it is larger than the sum of its proper divisors (69103).

2055761 is an equidigital number, since it uses as much as digits as its factorization.

2055761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 2055761 is about 1433.7925233450. The cubic root of 2055761 is about 127.1522962675.

The spelling of 2055761 in words is "two million, fifty-five thousand, seven hundred sixty-one".

Divisors: 1 61 67 503 4087 30683 33701 2055761