Search a number
-
+
553420445 = 5226948781
BaseRepresentation
bin100000111111001…
…000011010011101
31102120100200010112
4200333020122131
52113133423240
6130525415405
716466665454
oct4077103235
91376320115
10553420445
11264433a76
1213540a565
138a86a326
14536ddb9b
15338bb665
hex20fc869d

553420445 has 8 divisors (see below), whose sum is σ = 664410840. Its totient is φ = 442532160.

The previous prime is 553420409. The next prime is 553420471. The reversal of 553420445 is 544024355.

553420445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 38402809 + 515017636 = 6197^2 + 22694^2 .

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

It is not a de Polignac number, because 553420445 - 216 = 553354909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13046 + ... + 35735.

It is an arithmetic number, because the mean of its divisors is an integer number (83051355).

Almost surely, 2553420445 is an apocalyptic number.

It is an amenable number.

553420445 is a deficient number, since it is larger than the sum of its proper divisors (110990395).

553420445 is a wasteful number, since it uses less digits than its factorization.

553420445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51055.

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 553420445 is about 23524.8899040994. The cubic root of 553420445 is about 821.0162123435.

The spelling of 553420445 in words is "five hundred fifty-three million, four hundred twenty thousand, four hundred forty-five".

Divisors: 1 5 2269 11345 48781 243905 110684089 553420445