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50149 = 114797
BaseRepresentation
bin1100001111100101
32112210101
430033211
53101044
61024101
7266131
oct141745
975711
1050149
1134750
1225031
1319a98
14143c1
15ecd4
hexc3e5

50149 has 8 divisors (see below), whose sum is σ = 56448. Its totient is φ = 44160.

The previous prime is 50147. The next prime is 50153. The reversal of 50149 is 94105.

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 50149 - 21 = 50147 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50147) 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, 469 + ... + 565.

It is an arithmetic number, because the mean of its divisors is an integer number (7056).

250149 is an apocalyptic number.

It is an amenable number.

50149 is a deficient number, since it is larger than the sum of its proper divisors (6299).

50149 is a wasteful number, since it uses less digits than its factorization.

50149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 50149 is about 223.9397240331. The cubic root of 50149 is about 36.8768734086.

Subtracting 50149 from its reverse (94105), we obtain a triangular number (43956 = T296).

The spelling of 50149 in words is "fifty thousand, one hundred forty-nine".

Divisors: 1 11 47 97 517 1067 4559 50149