Search a number
-
+
50949831 = 3161310529
BaseRepresentation
bin1100001001011…
…0111011000111
310112212112000210
43002112323013
5101020343311
65020010503
71156031532
oct302267307
9115775023
1050949831
112683a3a9
1215090a33
13a72b83a
146aa3a19
1547163a6
hex3096ec7

50949831 has 8 divisors (see below), whose sum is σ = 67981680. Its totient is φ = 33942272.

The previous prime is 50949817. The next prime is 50949881. The reversal of 50949831 is 13894905.

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 50949831 - 223 = 42561223 is a prime.

It is a super-2 number, since 2×509498312 = 5191770557857122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50949831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50949881) 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, 426 + ... + 10103.

It is an arithmetic number, because the mean of its divisors is an integer number (8497710).

Almost surely, 250949831 is an apocalyptic number.

50949831 is a deficient number, since it is larger than the sum of its proper divisors (17031849).

50949831 is a wasteful number, since it uses less digits than its factorization.

50949831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12145.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 50949831 is about 7137.9150317162. The cubic root of 50949831 is about 370.7213368926.

The spelling of 50949831 in words is "fifty million, nine hundred forty-nine thousand, eight hundred thirty-one".

Divisors: 1 3 1613 4839 10529 31587 16983277 50949831