Search a number
-
+
487112148 = 223213530893
BaseRepresentation
bin11101000010001…
…011110111010100
31020221120212020200
4131002023313110
51444200042043
6120200300500
715033246015
oct3502136724
91227525220
10487112148
1122aa64626
12117171730
1379bc1c53
144899d00c
152cb6e7d3
hex1d08bdd4

487112148 has 18 divisors (see below), whose sum is σ = 1231311354. Its totient is φ = 162370704.

The previous prime is 487112117. The next prime is 487112167. The reversal of 487112148 is 841211784.

It can be written as a sum of positive squares in only one way, i.e., 446815044 + 40297104 = 21138^2 + 6348^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 13530893 = 487112148 / (4 + 8 + 7 + 1 + 1 + 2 + 1 + 4 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6765411 + ... + 6765482.

Almost surely, 2487112148 is an apocalyptic number.

It is an amenable number.

487112148 is an abundant number, since it is smaller than the sum of its proper divisors (744199206).

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

487112148 is a wasteful number, since it uses less digits than its factorization.

487112148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13530903 (or 13530898 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 487112148 is about 22070.6172999307. The cubic root of 487112148 is about 786.8216840763.

The spelling of 487112148 in words is "four hundred eighty-seven million, one hundred twelve thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 13530893 27061786 40592679 54123572 81185358 121778037 162370716 243556074 487112148