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71371260 = 22335132169
BaseRepresentation
bin1000100000100…
…00100111111100
311222022000222000
410100100213330
5121232340020
611025422300
71524434322
oct420204774
9158260860
1071371260
1137318314
121ba9a990
1311a2ba1c
14969bd12
1563ec090
hex44109fc

71371260 has 48 divisors (see below), whose sum is σ = 222045600. Its totient is φ = 19032192.

The previous prime is 71371249. The next prime is 71371309. The reversal of 71371260 is 6217317.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65545 + ... + 66624.

It is an arithmetic number, because the mean of its divisors is an integer number (4625950).

Almost surely, 271371260 is an apocalyptic number.

It is an amenable number.

71371260 is an abundant number, since it is smaller than the sum of its proper divisors (150674340).

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

71371260 is a wasteful number, since it uses less digits than its factorization.

71371260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132187 (or 132179 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 71371260 is about 8448.1512770546. The cubic root of 71371260 is about 414.8022670544.

Adding to 71371260 its reverse (6217317), we get a palindrome (77588577).

It can be divided in two parts, 71371 and 260, that added together give a triangular number (71631 = T378).

The spelling of 71371260 in words is "seventy-one million, three hundred seventy-one thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 132169 264338 396507 528676 660845 793014 1189521 1321690 1586028 1982535 2379042 2643380 3568563 3965070 4758084 5947605 7137126 7930140 11895210 14274252 17842815 23790420 35685630 71371260