Search a number
-
+
485730103 = 1723154217
BaseRepresentation
bin11100111100111…
…010011100110111
31020211222122102211
4130330322130313
51443321330403
6120110514251
715015431515
oct3474723467
91224878384
10485730103
1122a200241
12116805987
1379829b81
144871d4b5
152c99a06d
hex1cf3a737

485730103 has 12 divisors (see below), whose sum is σ = 532637632. Its totient is φ = 442402560.

The previous prime is 485730083. The next prime is 485730139. The reversal of 485730103 is 301037584.

It is not a de Polignac number, because 485730103 - 25 = 485730071 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485730803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18150 + ... + 36067.

Almost surely, 2485730103 is an apocalyptic number.

485730103 is a deficient number, since it is larger than the sum of its proper divisors (46907529).

485730103 is a wasteful number, since it uses less digits than its factorization.

485730103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54282 (or 54265 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 485730103 is about 22039.2854466745. The cubic root of 485730103 is about 786.0768501109.

Adding to 485730103 its reverse (301037584), we get a palindrome (786767687).

The spelling of 485730103 in words is "four hundred eighty-five million, seven hundred thirty thousand, one hundred three".

Divisors: 1 17 31 289 527 8959 54217 921689 1680727 15668713 28572359 485730103