Search a number
-
+
489887650 = 25271399679
BaseRepresentation
bin11101001100110…
…001011110100010
31021010210212112001
4131030301132202
52000402401100
6120335554214
715065655610
oct3514613642
91233725461
10489887650
1123158a92a
1211808b96a
137a654365
14490c26b0
152d01bd6a
hex1d3317a2

489887650 has 24 divisors (see below), whose sum is σ = 1041361920. Its totient is φ = 167961360.

The previous prime is 489887617. The next prime is 489887669. The reversal of 489887650 is 56788984.

It is a junction number, because it is equal to n+sod(n) for n = 489887591 and 489887600.

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, 699490 + ... + 700189.

It is an arithmetic number, because the mean of its divisors is an integer number (43390080).

Almost surely, 2489887650 is an apocalyptic number.

489887650 is an abundant number, since it is smaller than the sum of its proper divisors (551474270).

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

489887650 is a wasteful number, since it uses less digits than its factorization.

489887650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399698 (or 1399693 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The square root of 489887650 is about 22133.4057478735. The cubic root of 489887650 is about 788.3132574432.

The spelling of 489887650 in words is "four hundred eighty-nine million, eight hundred eighty-seven thousand, six hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 1399679 2799358 6998395 9797753 13996790 19595506 34991975 48988765 69983950 97977530 244943825 489887650