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802057 = 6711971
BaseRepresentation
bin11000011110100001001
31111202012211
43003310021
5201131212
625105121
76550234
oct3036411
91452184
10802057
114a8663
123281a1
132210b9
1416c41b
1510c9a7
hexc3d09

802057 has 4 divisors (see below), whose sum is σ = 814096. Its totient is φ = 790020.

The previous prime is 802037. The next prime is 802073. The reversal of 802057 is 750208.

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 a cyclic number.

It is not a de Polignac number, because 802057 - 215 = 769289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802007) 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, 5919 + ... + 6052.

It is an arithmetic number, because the mean of its divisors is an integer number (203524).

2802057 is an apocalyptic number.

It is an amenable number.

802057 is a deficient number, since it is larger than the sum of its proper divisors (12039).

802057 is a wasteful number, since it uses less digits than its factorization.

802057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12038.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 802057 is about 895.5763507373. The cubic root of 802057 is about 92.9112731446.

The spelling of 802057 in words is "eight hundred two thousand, fifty-seven".

Divisors: 1 67 11971 802057