Search a number
-
+
50221005 = 353348067
BaseRepresentation
bin1011111110010…
…0111111001101
310111111111021020
42333210333031
5100324033010
64552224353
71146604632
oct277447715
9114444236
1050221005
112639186a
121499b0b9
13a534b93
146954189
154620470
hex2fe4fcd

50221005 has 8 divisors (see below), whose sum is σ = 80353632. Its totient is φ = 26784528.

The previous prime is 50221001. The next prime is 50221019. The reversal of 50221005 is 50012205.

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

It is not a de Polignac number, because 50221005 - 22 = 50221001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 3348067 = 50221005 / (5 + 0 + 2 + 2 + 1 + 0 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221001) 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, 1674019 + ... + 1674048.

It is an arithmetic number, because the mean of its divisors is an integer number (10044204).

Almost surely, 250221005 is an apocalyptic number.

It is an amenable number.

50221005 is a deficient number, since it is larger than the sum of its proper divisors (30132627).

50221005 is a wasteful number, since it uses less digits than its factorization.

50221005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348075.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 50221005 is about 7086.6779946601. The cubic root of 50221005 is about 368.9451450100.

The spelling of 50221005 in words is "fifty million, two hundred twenty-one thousand, five".

Divisors: 1 3 5 15 3348067 10044201 16740335 50221005