Search a number
-
+
450291105 = 32511909679
BaseRepresentation
bin11010110101101…
…110010110100001
31011101022011021100
4122311232112201
51410233303410
6112403145013
714105261025
oct3265562641
91141264240
10450291105
112111a5410
12106975169
137239c354
1443b36385
15297e98c0
hex1ad6e5a1

450291105 has 24 divisors (see below), whose sum is σ = 851460480. Its totient is φ = 218322720.

The previous prime is 450291097. The next prime is 450291109. The reversal of 450291105 is 501192054.

It is not a de Polignac number, because 450291105 - 23 = 450291097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450291109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 454345 + ... + 455334.

It is an arithmetic number, because the mean of its divisors is an integer number (35477520).

Almost surely, 2450291105 is an apocalyptic number.

450291105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

450291105 is a deficient number, since it is larger than the sum of its proper divisors (401169375).

450291105 is a wasteful number, since it uses less digits than its factorization.

450291105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909701 (or 909698 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 450291105 is about 21220.0637369448. The cubic root of 450291105 is about 766.4746386320.

The spelling of 450291105 in words is "four hundred fifty million, two hundred ninety-one thousand, one hundred five".

Divisors: 1 3 5 9 11 15 33 45 55 99 165 495 909679 2729037 4548395 8187111 10006469 13645185 30019407 40935555 50032345 90058221 150097035 450291105