Search a number
-
+
1005570065 = 57914231789
BaseRepresentation
bin111011111011111…
…100100000010001
32121002011020210202
4323323330200101
54024411220230
6243440504545
733630130103
oct7373744021
92532136722
101005570065
11476688745
1224091b155
1313043a596
149779b573
155d431a45
hex3befc811

1005570065 has 16 divisors (see below), whose sum is σ = 1223500800. Its totient is φ = 793271232.

The previous prime is 1005570047. The next prime is 1005570101. The reversal of 1005570065 is 5600755001.

It is not a de Polignac number, because 1005570065 - 218 = 1005307921 is a prime.

It is a super-2 number, since 2×10055700652 = 2022342311248208450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561191 + ... + 562979.

It is an arithmetic number, because the mean of its divisors is an integer number (76468800).

Almost surely, 21005570065 is an apocalyptic number.

It is an amenable number.

1005570065 is a deficient number, since it is larger than the sum of its proper divisors (217930735).

1005570065 is a wasteful number, since it uses less digits than its factorization.

1005570065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 1005570065 is about 31710.7247630829. The cubic root of 1005570065 is about 1001.8532516699.

The spelling of 1005570065 in words is "one billion, five million, five hundred seventy thousand, sixty-five".

Divisors: 1 5 79 395 1423 1789 7115 8945 112417 141331 562085 706655 2545747 12728735 201114013 1005570065