Search a number
-
+
485131485 = 3568347353
BaseRepresentation
bin11100111010101…
…000010011011101
31020210212020021210
4130322220103131
51443143201420
6120050015033
715010356336
oct3472502335
91223766253
10485131485
11229931513
12116577479
137967a567
144860528d
152c8cc9e0
hex1cea84dd

485131485 has 16 divisors (see below), whose sum is σ = 777363264. Its totient is φ = 258352512.

The previous prime is 485131483. The next prime is 485131513. The reversal of 485131485 is 584131584.

It is not a de Polignac number, because 485131485 - 21 = 485131483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485131483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13432 + ... + 33921.

It is an arithmetic number, because the mean of its divisors is an integer number (48585204).

Almost surely, 2485131485 is an apocalyptic number.

It is an amenable number.

485131485 is a deficient number, since it is larger than the sum of its proper divisors (292231779).

485131485 is a wasteful number, since it uses less digits than its factorization.

485131485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48044.

The product of its digits is 76800, while the sum is 39.

The square root of 485131485 is about 22025.7005563955. The cubic root of 485131485 is about 785.7537947154.

Subtracting 485131485 from its reverse (584131584), we obtain a palindrome (99000099).

The spelling of 485131485 in words is "four hundred eighty-five million, one hundred thirty-one thousand, four hundred eighty-five".

Divisors: 1 3 5 15 683 2049 3415 10245 47353 142059 236765 710295 32342099 97026297 161710495 485131485