Search a number
-
+
50730505 = 571449443
BaseRepresentation
bin1100000110000…
…1011000001001
310112110101011121
43001201120021
5100441334010
65011155241
71154126230
oct301413011
9115411147
1050730505
11266aa641
1214ba5b21
13a682a67
146a47b17
1546c13da
hex3061609

50730505 has 8 divisors (see below), whose sum is σ = 69573312. Its totient is φ = 34786608.

The previous prime is 50730481. The next prime is 50730509. The reversal of 50730505 is 50503705.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50730505 - 215 = 50697737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50730505.

It is not an unprimeable number, because it can be changed into a prime (50730509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724687 + ... + 724756.

It is an arithmetic number, because the mean of its divisors is an integer number (8696664).

Almost surely, 250730505 is an apocalyptic number.

It is an amenable number.

50730505 is a deficient number, since it is larger than the sum of its proper divisors (18842807).

50730505 is a wasteful number, since it uses less digits than its factorization.

50730505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449455.

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 50730505 is about 7122.5350121990. The cubic root of 50730505 is about 370.1886182201.

The spelling of 50730505 in words is "fifty million, seven hundred thirty thousand, five hundred five".

Divisors: 1 5 7 35 1449443 7247215 10146101 50730505