Search a number
-
+
489741240 = 23354081177
BaseRepresentation
bin11101001100001…
…101101110111000
31021010112102200110
4131030031232320
52000333204430
6120332504320
715064506012
oct3514155670
91233472613
10489741240
1123149a92a
1211801b0a0
137a602821
14490851b2
152cedd7b0
hex1d30dbb8

489741240 has 32 divisors (see below), whose sum is σ = 1469224080. Its totient is φ = 130597632.

The previous prime is 489741221. The next prime is 489741271. The reversal of 489741240 is 42147984.

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, 2040469 + ... + 2040708.

Almost surely, 2489741240 is an apocalyptic number.

489741240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489741240 is an abundant number, since it is smaller than the sum of its proper divisors (979482840).

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

489741240 is a wasteful number, since it uses less digits than its factorization.

489741240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081191 (or 4081187 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 489741240 is about 22130.0980567190. The cubic root of 489741240 is about 788.2347166839.

The spelling of 489741240 in words is "four hundred eighty-nine million, seven hundred forty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 4081177 8162354 12243531 16324708 20405885 24487062 32649416 40811770 48974124 61217655 81623540 97948248 122435310 163247080 244870620 489741240