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553421105 = 5110684221
BaseRepresentation
bin100000111111001…
…000100100110001
31102120100201000222
4200333020210301
52113133433410
6130525422425
716500000416
oct4077104461
91376321028
10553421105
11264434516
1213540aa15
138a86a713
145370010d
15338bb955
hex20fc8931

553421105 has 4 divisors (see below), whose sum is σ = 664105332. Its totient is φ = 442736880.

The previous prime is 553421081. The next prime is 553421119. The reversal of 553421105 is 501124355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 344213809 + 209207296 = 18553^2 + 14464^2 .

It is not a de Polignac number, because 553421105 - 26 = 553421041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55342106 + ... + 55342115.

It is an arithmetic number, because the mean of its divisors is an integer number (166026333).

Almost surely, 2553421105 is an apocalyptic number.

It is an amenable number.

553421105 is a deficient number, since it is larger than the sum of its proper divisors (110684227).

553421105 is a wasteful number, since it uses less digits than its factorization.

553421105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110684226.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 553421105 is about 23524.9039317911. The cubic root of 553421105 is about 821.0165387201.

The spelling of 553421105 in words is "five hundred fifty-three million, four hundred twenty-one thousand, one hundred five".

Divisors: 1 5 110684221 553421105