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50130301 = 132378017
BaseRepresentation
bin1011111100111…
…0110101111101
310111022212211211
42333032311331
5100313132201
64550244421
71146046324
oct277166575
9114285754
1050130301
112632a701
1214956711
13a502800
14692d0bb
154603651
hex2fced7d

50130301 has 12 divisors (see below), whose sum is σ = 55757172. Its totient is φ = 45017856.

The previous prime is 50130293. The next prime is 50130307. The reversal of 50130301 is 10303105.

It can be written as a sum of positive squares in 6 ways, for example, as 765625 + 49364676 = 875^2 + 7026^2 .

It is not a de Polignac number, because 50130301 - 23 = 50130293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50130307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2245 + ... + 10261.

It is an arithmetic number, because the mean of its divisors is an integer number (4646431).

Almost surely, 250130301 is an apocalyptic number.

It is an amenable number.

50130301 is a deficient number, since it is larger than the sum of its proper divisors (5626871).

50130301 is a wasteful number, since it uses less digits than its factorization.

50130301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8080 (or 8067 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 50130301 is about 7080.2754889905. The cubic root of 50130301 is about 368.7228942635.

Adding to 50130301 its reverse (10303105), we get a palindrome (60433406).

The spelling of 50130301 in words is "fifty million, one hundred thirty thousand, three hundred one".

Divisors: 1 13 37 169 481 6253 8017 104221 296629 1354873 3856177 50130301