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500005055 = 5119419661
BaseRepresentation
bin11101110011010…
…111100010111111
31021211211212222202
4131303113202333
52011000130210
6121340502115
715250654454
oct3563274277
91254755882
10500005055
11237270220
1211b54a93b
137c7874a4
144a59782b
152dd699a5
hex1dcd78bf

500005055 has 16 divisors (see below), whose sum is σ = 655315488. Its totient is φ = 363216000.

The previous prime is 500005049. The next prime is 500005057. The reversal of 500005055 is 550500005.

It is a happy number.

It is not a de Polignac number, because 500005055 - 24 = 500005039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500005057) 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, 46925 + ... + 56585.

It is an arithmetic number, because the mean of its divisors is an integer number (40957218).

Almost surely, 2500005055 is an apocalyptic number.

500005055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

500005055 is a deficient number, since it is larger than the sum of its proper divisors (155310433).

500005055 is a wasteful number, since it uses less digits than its factorization.

500005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10618.

The product of its (nonzero) digits is 625, while the sum is 20.

The square root of 500005055 is about 22360.7928079485. The cubic root of 500005055 is about 793.7032007459.

It can be divided in two parts, 50000 and 5055, that added together give a palindrome (55055).

The spelling of 500005055 in words is "five hundred million, five thousand, fifty-five".

Divisors: 1 5 11 55 941 4705 9661 10351 48305 51755 106271 531355 9091001 45455005 100001011 500005055