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50500491 = 3113311479
BaseRepresentation
bin1100000010100…
…1001110001011
310112000200122120
43000221032023
5100412003431
65002222323
71152150516
oct300511613
9115020576
1050500491
1126562848
1214ab49a3
13a602162
1469c7d7d
154678196
hex302938b

50500491 has 16 divisors (see below), whose sum is σ = 68290560. Its totient is φ = 33192320.

The previous prime is 50500487. The next prime is 50500493. The reversal of 50500491 is 19400505.

It is a cyclic number.

It is not a de Polignac number, because 50500491 - 22 = 50500487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50500493) 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 15 ways as a sum of consecutive naturals, for example, 105190 + ... + 105668.

It is an arithmetic number, because the mean of its divisors is an integer number (4268160).

Almost surely, 250500491 is an apocalyptic number.

50500491 is a deficient number, since it is larger than the sum of its proper divisors (17790069).

50500491 is a wasteful number, since it uses less digits than its factorization.

50500491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 50500491 is about 7106.3697483314. The cubic root of 50500491 is about 369.6282875151.

Adding to 50500491 its reverse (19400505), we get a palindrome (69900996).

The spelling of 50500491 in words is "fifty million, five hundred thousand, four hundred ninety-one".

Divisors: 1 3 113 311 339 479 933 1437 35143 54127 105429 148969 162381 446907 16833497 50500491