Search a number
-
+
50801111 = 378915427
BaseRepresentation
bin1100000111001…
…0100111010111
310112120222000122
43001302213113
5101001113421
65012502155
71154542124
oct301624727
9115528018
1050801111
1126748699
121501a95b
13a6a8c3a
146a6574b
1546d72ab
hex30729d7

50801111 has 8 divisors (see below), whose sum is σ = 52763760. Its totient is φ = 48869568.

The previous prime is 50801059. The next prime is 50801119. The reversal of 50801111 is 11110805.

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-50801111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50801111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50801119) 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, 4421 + ... + 11006.

It is an arithmetic number, because the mean of its divisors is an integer number (6595470).

Almost surely, 250801111 is an apocalyptic number.

50801111 is a deficient number, since it is larger than the sum of its proper divisors (1962649).

50801111 is a wasteful number, since it uses less digits than its factorization.

50801111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15553.

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 50801111 is about 7127.4898105855. The cubic root of 50801111 is about 370.3602797020.

Adding to 50801111 its reverse (11110805), we get a palindrome (61911916).

The spelling of 50801111 in words is "fifty million, eight hundred one thousand, one hundred eleven".

Divisors: 1 37 89 3293 15427 570799 1373003 50801111