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800570489 = 2293495941
BaseRepresentation
bin101111101101111…
…011110001111001
32001210102012020212
4233231323301321
53114421223424
6211235000505
725560510515
oct5755736171
92053365225
10800570489
113809a0504
121a4139135
13c9b22764
1478477145
154a43b10e
hex2fb7bc79

800570489 has 4 divisors (see below), whose sum is σ = 804066660. Its totient is φ = 797074320.

The previous prime is 800570483. The next prime is 800570557. The reversal of 800570489 is 984075008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 740275264 + 60295225 = 27208^2 + 7765^2 .

It is a cyclic number.

It is not a de Polignac number, because 800570489 - 24 = 800570473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800570483) 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, 1747742 + ... + 1748199.

It is an arithmetic number, because the mean of its divisors is an integer number (201016665).

Almost surely, 2800570489 is an apocalyptic number.

It is an amenable number.

800570489 is a deficient number, since it is larger than the sum of its proper divisors (3496171).

800570489 is a wasteful number, since it uses less digits than its factorization.

800570489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496170.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 800570489 is about 28294.3543661982. The cubic root of 800570489 is about 928.5383789049.

The spelling of 800570489 in words is "eight hundred million, five hundred seventy thousand, four hundred eighty-nine".

Divisors: 1 229 3495941 800570489