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50531001 = 3113149059
BaseRepresentation
bin1100000011000…
…0101010111001
310112002020111120
43000300222321
5100413443001
65003015453
71152335463
oct300605271
9115066446
1050531001
1126583764
1214b0a589
13a613001
1469d5133
154682236
hex3030ab9

50531001 has 8 divisors (see below), whose sum is σ = 67971360. Its totient is φ = 33388992.

The previous prime is 50530957. The next prime is 50531003. The reversal of 50531001 is 10013505.

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

It is not a de Polignac number, because 50531001 - 213 = 50522809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50531003) 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 7 ways as a sum of consecutive naturals, for example, 74191 + ... + 74868.

It is an arithmetic number, because the mean of its divisors is an integer number (8496420).

Almost surely, 250531001 is an apocalyptic number.

It is an amenable number.

50531001 is a deficient number, since it is larger than the sum of its proper divisors (17440359).

50531001 is a wasteful number, since it uses less digits than its factorization.

50531001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149175.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 50531001 is about 7108.5160898742. The cubic root of 50531001 is about 369.7027098195.

Adding to 50531001 its reverse (10013505), we get a palindrome (60544506).

The spelling of 50531001 in words is "fifty million, five hundred thirty-one thousand, one".

Divisors: 1 3 113 339 149059 447177 16843667 50531001