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71130 = 2352371
BaseRepresentation
bin10001010111011010
310121120110
4101113122
54234010
61305150
7414243
oct212732
9117513
1071130
1149494
12351b6
13264b7
141bcca
1516120
hex115da

71130 has 16 divisors (see below), whose sum is σ = 170784. Its totient is φ = 18960.

The previous prime is 71129. The next prime is 71143. The reversal of 71130 is 3117.

71130 = T44 + T45 + ... + T79.

71130 is nontrivially palindromic in base 11.

71130 is an undulating number in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156 + ... + 1215.

It is an arithmetic number, because the mean of its divisors is an integer number (10674).

271130 is an apocalyptic number.

71130 is an abundant number, since it is smaller than the sum of its proper divisors (99654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85392).

71130 is a wasteful number, since it uses less digits than its factorization.

71130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381.

The product of its (nonzero) digits is 21, while the sum is 12.

The square root of 71130 is about 266.7020809818. The cubic root of 71130 is about 41.4334346819.

Adding to 71130 its reverse (3117), we get a palindrome (74247).

It can be divided in two parts, 711 and 30, that added together give a triangular number (741 = T38).

The spelling of 71130 in words is "seventy-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2371 4742 7113 11855 14226 23710 35565 71130