Search a number
-
+
50387117 = 115418467
BaseRepresentation
bin1100000000110…
…1100010101101
310111210221010112
43000031202231
5100344341432
64555545405
71151166134
oct300154255
9114727115
1050387117
1126495650
1214a5b265
13a592681
14699891b
1546547b2
hex300d8ad

50387117 has 8 divisors (see below), whose sum is σ = 55075872. Its totient is φ = 45716400.

The previous prime is 50387111. The next prime is 50387143. The reversal of 50387117 is 71178305.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50387117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50387111) 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, 1718 + ... + 10184.

It is an arithmetic number, because the mean of its divisors is an integer number (6884484).

Almost surely, 250387117 is an apocalyptic number.

It is an amenable number.

50387117 is a deficient number, since it is larger than the sum of its proper divisors (4688755).

50387117 is a wasteful number, since it uses less digits than its factorization.

50387117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9019.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 50387117 is about 7098.3883382075. The cubic root of 50387117 is about 369.3514741235.

The spelling of 50387117 in words is "fifty million, three hundred eighty-seven thousand, one hundred seventeen".

Divisors: 1 11 541 5951 8467 93137 4580647 50387117