Search a number
-
+
490000550 = 25213753847
BaseRepresentation
bin11101001101001…
…101000010100110
31021011000121101112
4131031031002212
52000420004200
6120342225022
715066636014
oct3515150246
91234017345
10490000550
11231657736
12118125172
137a693870
14491118b4
152d040535
hex1d34d0a6

490000550 has 24 divisors (see below), whose sum is σ = 981510096. Its totient is φ = 180923040.

The previous prime is 490000493. The next prime is 490000573. The reversal of 490000550 is 55000094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376274 + ... + 377573.

It is an arithmetic number, because the mean of its divisors is an integer number (40896254).

Almost surely, 2490000550 is an apocalyptic number.

490000550 is an abundant number, since it is smaller than the sum of its proper divisors (491509546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490000550 is a wasteful number, since it uses less digits than its factorization.

490000550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753872 (or 753867 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 490000550 is about 22135.9560444088. The cubic root of 490000550 is about 788.3738112801.

The spelling of 490000550 in words is "four hundred ninety million, five hundred fifty", and thus it is an aban number.

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 753847 1507694 3769235 7538470 9800011 18846175 19600022 37692350 49000055 98000110 245000275 490000550