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71040700 = 22524117327
BaseRepresentation
bin1000011101111…
…11111010111100
311221200020112001
410032333322330
5121141300300
611014352044
71521556513
oct416777274
9157606461
1071040700
1137111a25
121b95b624
1311944423
14961367a
15638416a
hex43bfebc

71040700 has 36 divisors (see below), whose sum is σ = 157927392. Its totient is φ = 27721600.

The previous prime is 71040679. The next prime is 71040701. The reversal of 71040700 is 704017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71040701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4564 + ... + 12763.

It is an arithmetic number, because the mean of its divisors is an integer number (4386872).

Almost surely, 271040700 is an apocalyptic number.

It is an amenable number.

71040700 is an abundant number, since it is smaller than the sum of its proper divisors (86886692).

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

71040700 is a wasteful number, since it uses less digits than its factorization.

71040700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17382 (or 17375 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 71040700 is about 8428.5645278422. The cubic root of 71040700 is about 414.1608824961.

Adding to 71040700 its reverse (704017), we get a palindrome (71744717).

The spelling of 71040700 in words is "seventy-one million, forty thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 41 50 82 100 164 205 410 820 1025 2050 4100 17327 34654 69308 86635 173270 346540 433175 710407 866350 1420814 1732700 2841628 3552035 7104070 14208140 17760175 35520350 71040700