Search a number
-
+
550636105 = 5313552491
BaseRepresentation
bin100000110100100…
…000101001001001
31102101010012201211
4200310200221021
52111430323410
6130350013121
716434221035
oct4064405111
91371105654
10550636105
11262902068
121344a71a1
138a103ba6
14531b71c5
153351b68a
hex20d20a49

550636105 has 8 divisors (see below), whose sum is σ = 682078464. Its totient is φ = 426298800.

The previous prime is 550636061. The next prime is 550636111. The reversal of 550636105 is 501636055.

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

It is not a de Polignac number, because 550636105 - 27 = 550635977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian 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, 1776091 + ... + 1776400.

It is an arithmetic number, because the mean of its divisors is an integer number (85259808).

Almost surely, 2550636105 is an apocalyptic number.

It is an amenable number.

550636105 is a deficient number, since it is larger than the sum of its proper divisors (131442359).

550636105 is a wasteful number, since it uses less digits than its factorization.

550636105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552527.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 550636105 is about 23465.6366843092. The cubic root of 550636105 is about 819.6370121544.

Subtracting from 550636105 its reverse (501636055), we obtain a triangular number (49000050 = T9899).

The spelling of 550636105 in words is "five hundred fifty million, six hundred thirty-six thousand, one hundred five".

Divisors: 1 5 31 155 3552491 17762455 110127221 550636105