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800003053 = 839638591
BaseRepresentation
bin101111101011110…
…001001111101101
32001202100100212201
4233223301033231
53114300044203
6211214501501
725552625263
oct5753611755
92052310781
10800003053
11380643153
121a3b04891
13c99843b5
147836a433
154a377e1d
hex2faf13ed

800003053 has 4 divisors (see below), whose sum is σ = 809641728. Its totient is φ = 790364380.

The previous prime is 800003023. The next prime is 800003063. The reversal of 800003053 is 350300008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 800003053 - 229 = 263132141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 800003053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800003023) 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, 4819213 + ... + 4819378.

It is an arithmetic number, because the mean of its divisors is an integer number (202410432).

Almost surely, 2800003053 is an apocalyptic number.

800003053 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

800003053 is a deficient number, since it is larger than the sum of its proper divisors (9638675).

800003053 is an equidigital number, since it uses as much as digits as its factorization.

800003053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9638674.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 800003053 is about 28284.3252173355. The cubic root of 800003053 is about 928.3189476186.

The spelling of 800003053 in words is "eight hundred million, three thousand, fifty-three".

Divisors: 1 83 9638591 800003053