Search a number
-
+
516887055 = 33510513643
BaseRepresentation
bin11110110011110…
…001001000001111
31100000121120202000
4132303301020033
52024310341210
6123142403343
715544316226
oct3663611017
91300546660
10516887055
11245850993
12125130553
1383118639
144c90dcbd
15305a1ac0
hex1ecf120f

516887055 has 32 divisors (see below), whose sum is σ = 920037120. Its totient is φ = 275335200.

The previous prime is 516887053. The next prime is 516887071. The reversal of 516887055 is 550788615.

516887055 is a `hidden beast` number, since 516 + 8 + 87 + 0 + 55 = 666.

It is not a de Polignac number, because 516887055 - 21 = 516887053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 516887055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516887053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140064 + ... + 143706.

It is an arithmetic number, because the mean of its divisors is an integer number (28751160).

Almost surely, 2516887055 is an apocalyptic number.

516887055 is a deficient number, since it is larger than the sum of its proper divisors (403150065).

516887055 is a wasteful number, since it uses less digits than its factorization.

516887055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708 (or 4702 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 45.

The square root of 516887055 is about 22735.1502084328. The cubic root of 516887055 is about 802.5372853669.

The spelling of 516887055 in words is "five hundred sixteen million, eight hundred eighty-seven thousand, fifty-five".

Divisors: 1 3 5 9 15 27 45 135 1051 3153 3643 5255 9459 10929 15765 18215 28377 32787 47295 54645 98361 141885 163935 491805 3828793 11486379 19143965 34459137 57431895 103377411 172295685 516887055