Search a number
-
+
505187485 = 51119483433
BaseRepresentation
bin11110000111001…
…000110010011101
31022012121011221121
4132013020302131
52013311444420
6122043530541
715343010545
oct3607106235
91265534847
10505187485
1123a18a920
12121229a51
138088030a
144b146325
152e5402aa
hex1e1c8c9d

505187485 has 16 divisors (see below), whose sum is σ = 696144960. Its totient is φ = 348071040.

The previous prime is 505187461. The next prime is 505187489. The reversal of 505187485 is 584781505.

505187485 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 505187485 - 211 = 505185437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505187489) 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, 240672 + ... + 242761.

It is an arithmetic number, because the mean of its divisors is an integer number (43509060).

Almost surely, 2505187485 is an apocalyptic number.

505187485 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505187485 is a deficient number, since it is larger than the sum of its proper divisors (190957475).

505187485 is a wasteful number, since it uses less digits than its factorization.

505187485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483468.

The product of its (nonzero) digits is 224000, while the sum is 43.

The square root of 505187485 is about 22476.3761536418. The cubic root of 505187485 is about 796.4359607132.

The spelling of 505187485 in words is "five hundred five million, one hundred eighty-seven thousand, four hundred eighty-five".

Divisors: 1 5 11 19 55 95 209 1045 483433 2417165 5317763 9185227 26588815 45926135 101037497 505187485