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812203053 = 3893041959
BaseRepresentation
bin110000011010010…
…011110000101101
32002121022012010120
4300122103300231
53130410444203
6212332155153
726061416634
oct6032236055
92077265116
10812203053
113875161a2
121a8008ab9
13cc36642c
1479c2451b
154b487b53
hex30693c2d

812203053 has 8 divisors (see below), whose sum is σ = 1095105600. Its totient is φ = 535384608.

The previous prime is 812203031. The next prime is 812203061. The reversal of 812203053 is 350302218.

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

It is not a de Polignac number, because 812203053 - 29 = 812202541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812203003) 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, 1520713 + ... + 1521246.

It is an arithmetic number, because the mean of its divisors is an integer number (136888200).

Almost surely, 2812203053 is an apocalyptic number.

It is an amenable number.

812203053 is a deficient number, since it is larger than the sum of its proper divisors (282902547).

812203053 is a wasteful number, since it uses less digits than its factorization.

812203053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042051.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 812203053 is about 28499.1763565195. The cubic root of 812203053 is about 933.0140976102.

The spelling of 812203053 in words is "eight hundred twelve million, two hundred three thousand, fifty-three".

Divisors: 1 3 89 267 3041959 9125877 270734351 812203053