Search a number
-
+
50206685 = 5291811913
BaseRepresentation
bin1011111110000…
…1011111011101
310111110202121212
42333201133131
5100323103220
64552034205
71146515114
oct277413735
9114422555
1050206685
1126382031
1214992965
13a52b4c9
14694cc7b
15461b0c5
hex2fe17dd

50206685 has 16 divisors (see below), whose sum is σ = 62702640. Its totient is φ = 38545920.

The previous prime is 50206679. The next prime is 50206687. The reversal of 50206685 is 58660205.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1792921 + 48413764 = 1339^2 + 6958^2 .

It is not a de Polignac number, because 50206685 - 26 = 50206621 is a prime.

It is a super-2 number, since 2×502066852 = 5041422437378450, which contains 22 as substring.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50206687) 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, 25289 + ... + 27201.

It is an arithmetic number, because the mean of its divisors is an integer number (3918915).

Almost surely, 250206685 is an apocalyptic number.

It is an amenable number.

50206685 is a deficient number, since it is larger than the sum of its proper divisors (12495955).

50206685 is a wasteful number, since it uses less digits than its factorization.

50206685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128.

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

The square root of 50206685 is about 7085.6675761709. The cubic root of 50206685 is about 368.9100747128.

The spelling of 50206685 in words is "fifty million, two hundred six thousand, six hundred eighty-five".

Divisors: 1 5 29 145 181 905 1913 5249 9565 26245 55477 277385 346253 1731265 10041337 50206685