Search a number
-
+
489100148 = 22122275037
BaseRepresentation
bin11101001001110…
…001001101110100
31021002022212021022
4131021301031310
52000202201043
6120311040312
715056165645
oct3511611564
91232285238
10489100148
112310a21a9
12117970098
137a439a94
1448d596cc
152ce13868
hex1d271374

489100148 has 6 divisors (see below), whose sum is σ = 855925266. Its totient is φ = 244550072.

The previous prime is 489100141. The next prime is 489100153. The reversal of 489100148 is 841001984.

It can be written as a sum of positive squares in only one way, i.e., 457874404 + 31225744 = 21398^2 + 5588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489100141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61137515 + ... + 61137522.

It is an arithmetic number, because the mean of its divisors is an integer number (142654211).

Almost surely, 2489100148 is an apocalyptic number.

It is an amenable number.

489100148 is a deficient number, since it is larger than the sum of its proper divisors (366825118).

489100148 is a wasteful number, since it uses less digits than its factorization.

489100148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122275041 (or 122275039 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 489100148 is about 22115.6086961223. The cubic root of 489100148 is about 787.8906222996.

The spelling of 489100148 in words is "four hundred eighty-nine million, one hundred thousand, one hundred forty-eight".

Divisors: 1 2 4 122275037 244550074 489100148