[go: up one dir, main page]

Search a number
-
+
71650041 = 3137174331
BaseRepresentation
bin1000100010101…
…00101011111001
311222211012101020
410101110223321
5121320300131
611035413053
71530005151
oct421245371
9158735336
1071650041
1137498811
121bbb4189
1311ac8898
149731761
156454996
hex4454af9

71650041 has 8 divisors (see below), whose sum is σ = 96231264. Its totient is φ = 47417760.

The previous prime is 71650027. The next prime is 71650069. The reversal of 71650041 is 14005617.

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

It is not a de Polignac number, because 71650041 - 25 = 71650009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71649993 and 71650020.

It is not an unprimeable number, because it can be changed into a prime (71650091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86755 + ... + 87576.

It is an arithmetic number, because the mean of its divisors is an integer number (12028908).

Almost surely, 271650041 is an apocalyptic number.

It is an amenable number.

71650041 is a deficient number, since it is larger than the sum of its proper divisors (24581223).

71650041 is a wasteful number, since it uses less digits than its factorization.

71650041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174471.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 71650041 is about 8464.6347233652. The cubic root of 71650041 is about 415.3416473414.

Adding to 71650041 its reverse (14005617), we get a palindrome (85655658).

It can be divided in two parts, 7165004 and 1, that added together give a triangular number (7165005 = T3785).

The spelling of 71650041 in words is "seventy-one million, six hundred fifty thousand, forty-one".

Divisors: 1 3 137 411 174331 522993 23883347 71650041