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50520505 = 576123663
BaseRepresentation
bin1100000010111…
…0000110111001
310112001201002211
43000232012321
5100413124010
65002455121
71152263050
oct300560671
9115051084
1050520505
1126576892
1214b044a1
13a60b2b9
1469d1397
15467e08a
hex302e1b9

50520505 has 16 divisors (see below), whose sum is σ = 70424064. Its totient is φ = 34073280.

The previous prime is 50520497. The next prime is 50520517. The reversal of 50520505 is 50502505.

It is not a de Polignac number, because 50520505 - 23 = 50520497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9697 + ... + 13966.

It is an arithmetic number, because the mean of its divisors is an integer number (4401504).

Almost surely, 250520505 is an apocalyptic number.

It is an amenable number.

50520505 is a deficient number, since it is larger than the sum of its proper divisors (19903559).

50520505 is a wasteful number, since it uses less digits than its factorization.

50520505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23736.

The product of its (nonzero) digits is 1250, while the sum is 22.

The square root of 50520505 is about 7107.7777821201. Note that the first 4 decimals coincide. The cubic root of 50520505 is about 369.6771105618.

The spelling of 50520505 in words is "fifty million, five hundred twenty thousand, five hundred five".

Divisors: 1 5 7 35 61 305 427 2135 23663 118315 165641 828205 1443443 7217215 10104101 50520505