Search a number
-
+
50442309 = 326918111
BaseRepresentation
bin1100000001101…
…1000001000101
310111220201211200
43000123001011
5100403123214
65001053113
71151516061
oct300330105
9114821750
1050442309
1126523065
1214a87199
13a5b1828
1469b0aa1
154665d09
hex301b045

50442309 has 12 divisors (see below), whose sum is σ = 72975552. Its totient is φ = 33575400.

The previous prime is 50442277. The next prime is 50442319. The reversal of 50442309 is 90324405.

It is not a de Polignac number, because 50442309 - 25 = 50442277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50442319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2164 + ... + 10274.

It is an arithmetic number, because the mean of its divisors is an integer number (6081296).

Almost surely, 250442309 is an apocalyptic number.

It is an amenable number.

50442309 is a deficient number, since it is larger than the sum of its proper divisors (22533243).

50442309 is a wasteful number, since it uses less digits than its factorization.

50442309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8808 (or 8805 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 50442309 is about 7102.2749172360. The cubic root of 50442309 is about 369.4862824451.

The spelling of 50442309 in words is "fifty million, four hundred forty-two thousand, three hundred nine".

Divisors: 1 3 9 691 2073 6219 8111 24333 72999 5604701 16814103 50442309