Search a number
-
+
50201605 = 510040321
BaseRepresentation
bin1011111110000…
…0010000000101
310111110111122201
42333200100011
5100322422410
64551554501
71146464236
oct277402005
9114414581
1050201605
1126379233
121498ba31
13a5290bc
14694b08d
15461983a
hex2fe0405

50201605 has 4 divisors (see below), whose sum is σ = 60241932. Its totient is φ = 40161280.

The previous prime is 50201603. The next prime is 50201621. The reversal of 50201605 is 50610205.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37234404 + 12967201 = 6102^2 + 3601^2 .

It is not a de Polignac number, because 50201605 - 21 = 50201603 is a prime.

It is a super-2 number, since 2×502016052 = 5040402289152050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50201603) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5020156 + ... + 5020165.

It is an arithmetic number, because the mean of its divisors is an integer number (15060483).

Almost surely, 250201605 is an apocalyptic number.

It is an amenable number.

50201605 is a deficient number, since it is larger than the sum of its proper divisors (10040327).

50201605 is a wasteful number, since it uses less digits than its factorization.

50201605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10040326.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 50201605 is about 7085.3090969978. The cubic root of 50201605 is about 368.8976319714.

The spelling of 50201605 in words is "fifty million, two hundred one thousand, six hundred five".

Divisors: 1 5 10040321 50201605