Search a number
-
+
50445668 = 22713138587
BaseRepresentation
bin1100000001101…
…1110101100100
310111220220110002
43000123311210
5100403230133
65001120432
71151531630
oct300336544
9114826402
1050445668
1126525639
1214a89118
13a5b3210
1469b1dc0
154666ce8
hex301bd64

50445668 has 24 divisors (see below), whose sum is σ = 108652992. Its totient is φ = 19956384.

The previous prime is 50445667. The next prime is 50445671. The reversal of 50445668 is 86654405.

It is not an unprimeable number, because it can be changed into a prime (50445667) 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, 68930 + ... + 69657.

It is an arithmetic number, because the mean of its divisors is an integer number (4527208).

Almost surely, 250445668 is an apocalyptic number.

It is an amenable number.

50445668 is an abundant number, since it is smaller than the sum of its proper divisors (58207324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50445668 is a wasteful number, since it uses less digits than its factorization.

50445668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138611 (or 138609 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 50445668 is about 7102.5113868265. The cubic root of 50445668 is about 369.4944837408.

The spelling of 50445668 in words is "fifty million, four hundred forty-five thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 138587 277174 554348 970109 1801631 1940218 3603262 3880436 7206524 12611417 25222834 50445668