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50388305 = 5113132927
BaseRepresentation
bin1100000000110…
…1110101010001
310111210222202112
43000031311101
5100344411210
64555555105
71151202452
oct300156521
9114728675
1050388305
1126496530
1214a5ba95
13a593086
146999129
154654d05
hex300dd51

50388305 has 16 divisors (see below), whose sum is σ = 66196224. Its totient is φ = 36516480.

The previous prime is 50388293. The next prime is 50388311.

50388305 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 50388305 - 28 = 50388049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15752 + ... + 18678.

It is an arithmetic number, because the mean of its divisors is an integer number (4137264).

Almost surely, 250388305 is an apocalyptic number.

50388305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50388305 is a deficient number, since it is larger than the sum of its proper divisors (15807919).

50388305 is a wasteful number, since it uses less digits than its factorization.

50388305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 50388305 is about 7098.4720186812. The cubic root of 50388305 is about 369.3543768899.

The spelling of 50388305 in words is "fifty million, three hundred eighty-eight thousand, three hundred five".

Divisors: 1 5 11 55 313 1565 2927 3443 14635 17215 32197 160985 916151 4580755 10077661 50388305