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800242491 = 3713757007
BaseRepresentation
bin101111101100101…
…011101100111011
32001202210112022210
4233230223230323
53114330224431
6211223550203
725554643326
oct5754535473
92052715283
10800242491
11380797034
121a3bbb363
13c9a39389
14783cd7bd
154a3c3d46
hex2fb2bb3b

800242491 has 8 divisors (see below), whose sum is σ = 1082018304. Its totient is φ = 525980840.

The previous prime is 800242483. The next prime is 800242511. The reversal of 800242491 is 194242008.

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

It is a cyclic number.

It is not a de Polignac number, because 800242491 - 23 = 800242483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (800242991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1878291 + ... + 1878716.

It is an arithmetic number, because the mean of its divisors is an integer number (135252288).

Almost surely, 2800242491 is an apocalyptic number.

800242491 is a deficient number, since it is larger than the sum of its proper divisors (281775813).

800242491 is a wasteful number, since it uses less digits than its factorization.

800242491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3757081.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 800242491 is about 28288.5575984354. The cubic root of 800242491 is about 928.4115525404.

Adding to 800242491 its reverse (194242008), we get a palindrome (994484499).

The spelling of 800242491 in words is "eight hundred million, two hundred forty-two thousand, four hundred ninety-one".

Divisors: 1 3 71 213 3757007 11271021 266747497 800242491