Search a number
-
+
71350052 = 2217837513
BaseRepresentation
bin1000100000010…
…11011100100100
311222020221212112
410100023130210
5121231200202
611025140152
71524315434
oct420133444
9158227775
1071350052
1137303394
121ba8a658
1311a22187
1496942c4
1563e5b52
hex440b724

71350052 has 6 divisors (see below), whose sum is σ = 124862598. Its totient is φ = 35675024.

The previous prime is 71350049. The next prime is 71350079. The reversal of 71350052 is 25005317.

It can be written as a sum of positive squares in only one way, i.e., 69322276 + 2027776 = 8326^2 + 1424^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8918753 + ... + 8918760.

It is an arithmetic number, because the mean of its divisors is an integer number (20810433).

Almost surely, 271350052 is an apocalyptic number.

It is an amenable number.

71350052 is a deficient number, since it is larger than the sum of its proper divisors (53512546).

71350052 is a wasteful number, since it uses less digits than its factorization.

71350052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17837517 (or 17837515 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 71350052 is about 8446.8959979391. The cubic root of 71350052 is about 414.7611767613.

Adding to 71350052 its reverse (25005317), we get a palindrome (96355369).

The spelling of 71350052 in words is "seventy-one million, three hundred fifty thousand, fifty-two".

Divisors: 1 2 4 17837513 35675026 71350052