Search a number
-
+
50648005 = 537273773
BaseRepresentation
bin1100000100110…
…1001111000101
310112022012000001
43001031033011
5100431214010
65005321301
71153333552
oct301151705
9115265001
1050648005
1126653661
1214b66231
13a654345
146a25a29
1546a6c3a
hex304d3c5

50648005 has 8 divisors (see below), whose sum is σ = 62420472. Its totient is φ = 39423168.

The previous prime is 50647991. The next prime is 50648009. The reversal of 50648005 is 50084605.

It can be written as a sum of positive squares in 4 ways, for example, as 9084196 + 41563809 = 3014^2 + 6447^2 .

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 50648005 - 217 = 50516933 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 (50648009) 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, 136702 + ... + 137071.

It is an arithmetic number, because the mean of its divisors is an integer number (7802559).

Almost surely, 250648005 is an apocalyptic number.

It is an amenable number.

50648005 is a deficient number, since it is larger than the sum of its proper divisors (11772467).

50648005 is a wasteful number, since it uses less digits than its factorization.

50648005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273815.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 50648005 is about 7116.7411783765. The cubic root of 50648005 is about 369.9878374380.

The spelling of 50648005 in words is "fifty million, six hundred forty-eight thousand, five".

Divisors: 1 5 37 185 273773 1368865 10129601 50648005