Search a number
-
+
50633681 = 729249427
BaseRepresentation
bin1100000100100…
…1101111010001
310112021110100112
43001021233101
5100430234211
65005131105
71153244030
oct301115721
9115243315
1050633681
112664391a
1214b59a95
13a64a977
146a20717
1546a288b
hex3049bd1

50633681 has 8 divisors (see below), whose sum is σ = 59862720. Its totient is φ = 41903568.

The previous prime is 50633659. The next prime is 50633699. The reversal of 50633681 is 18633605.

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

It is a de Polignac number, because none of the positive numbers 2k-50633681 is a prime.

It is a super-2 number, since 2×506336812 = 5127539303219522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50633981) 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, 124511 + ... + 124916.

It is an arithmetic number, because the mean of its divisors is an integer number (7482840).

Almost surely, 250633681 is an apocalyptic number.

It is an amenable number.

50633681 is a deficient number, since it is larger than the sum of its proper divisors (9229039).

50633681 is a wasteful number, since it uses less digits than its factorization.

50633681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249463.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 50633681 is about 7115.7347477263. The cubic root of 50633681 is about 369.9529548171.

The spelling of 50633681 in words is "fifty million, six hundred thirty-three thousand, six hundred eighty-one".

Divisors: 1 7 29 203 249427 1745989 7233383 50633681