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800292921 = 31108724061
BaseRepresentation
bin101111101100111…
…000000000111001
32001202220002111120
4233230320000321
53114333333141
6211225015453
725555243341
oct5754700071
92052802446
10800292921
11380820a0a
121a4024589
13c9a5630c
1478403d21
154a3d3c66
hex2fb38039

800292921 has 8 divisors (see below), whose sum is σ = 1067197824. Its totient is φ = 533458320.

The previous prime is 800292893. The next prime is 800292929. The reversal of 800292921 is 129292008.

It is a happy number.

800292921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2k-800292921 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (800292929) 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, 21231 + ... + 45291.

It is an arithmetic number, because the mean of its divisors is an integer number (133399728).

Almost surely, 2800292921 is an apocalyptic number.

It is an amenable number.

800292921 is a deficient number, since it is larger than the sum of its proper divisors (266904903).

800292921 is a wasteful number, since it uses less digits than its factorization.

800292921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35151.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 800292921 is about 28289.4489341875. The cubic root of 800292921 is about 928.4310544671.

The spelling of 800292921 in words is "eight hundred million, two hundred ninety-two thousand, nine hundred twenty-one".

Divisors: 1 3 11087 24061 33261 72183 266764307 800292921