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50211001 = 2317312619
BaseRepresentation
bin1011111110001…
…0100010111001
310111110222112201
42333202202321
5100323223001
64552110201
71146533521
oct277424271
9114428481
1050211001
11263852a5
1214995361
13a530469
146950681
15461c501
hex2fe28b9

50211001 has 8 divisors (see below), whose sum is σ = 52701120. Its totient is φ = 47746512.

The previous prime is 50210999. The next prime is 50211011. The reversal of 50211001 is 10011205.

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 50211001 - 21 = 50210999 is a prime.

It is a super-2 number, since 2×502110012 = 5042289242844002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50211011) 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, 2331 + ... + 10288.

It is an arithmetic number, because the mean of its divisors is an integer number (6587640).

Almost surely, 250211001 is an apocalyptic number.

It is an amenable number.

50211001 is a deficient number, since it is larger than the sum of its proper divisors (2490119).

50211001 is a wasteful number, since it uses less digits than its factorization.

50211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12815.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 50211001 is about 7085.9721280852. The cubic root of 50211001 is about 368.9206454848.

Adding to 50211001 its reverse (10011205), we get a palindrome (60222206).

The spelling of 50211001 in words is "fifty million, two hundred eleven thousand, one".

Divisors: 1 23 173 3979 12619 290237 2183087 50211001