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800064506 = 21723531309
BaseRepresentation
bin101111101100000…
…000001111111010
32001202110111011202
4233230000033322
53114304031011
6211220054202
725553302403
oct5754001772
92052414152
10800064506
1138068533a
121a3b34362
13c99a6367
14783849aa
154a38b23b
hex2fb003fa

800064506 has 8 divisors (see below), whose sum is σ = 1270690740. Its totient is φ = 376500928.

The previous prime is 800064491. The next prime is 800064509. The reversal of 800064506 is 605460008.

It can be written as a sum of positive squares in 2 ways, for example, as 773118025 + 26946481 = 27805^2 + 5191^2 .

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

It is a super-2 number, since 2×8000645062 = 1280206427522048072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (800064509) 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, 11765621 + ... + 11765688.

Almost surely, 2800064506 is an apocalyptic number.

800064506 is a deficient number, since it is larger than the sum of its proper divisors (470626234).

800064506 is a wasteful number, since it uses less digits than its factorization.

800064506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23531328.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 800064506 is about 28285.4115402269. The cubic root of 800064506 is about 928.3427169127.

The spelling of 800064506 in words is "eight hundred million, sixty-four thousand, five hundred six".

Divisors: 1 2 17 34 23531309 47062618 400032253 800064506