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71089592 = 23721511201
BaseRepresentation
bin1000011110010…
…11110110111000
311221202201120212
410033023312320
5121144331332
611015410252
71522152200
oct417136670
9157681525
1071089592
1137145732
121b983988
1311960762
149627400
1563938b2
hex43cbdb8

71089592 has 48 divisors (see below), whose sum is σ = 156211920. Its totient is φ = 30240000.

The previous prime is 71089591. The next prime is 71089609. The reversal of 71089592 is 29598017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71089591) 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, 58592 + ... + 59792.

It is an arithmetic number, because the mean of its divisors is an integer number (3254415).

Almost surely, 271089592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71089592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78105960).

71089592 is an abundant number, since it is smaller than the sum of its proper divisors (85122328).

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

71089592 is a wasteful number, since it uses less digits than its factorization.

71089592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 71089592 is about 8431.4644042420. The cubic root of 71089592 is about 414.2558726934.

The spelling of 71089592 in words is "seventy-one million, eighty-nine thousand, five hundred ninety-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 151 196 302 392 604 1057 1201 1208 2114 2402 4228 4804 7399 8407 8456 9608 14798 16814 29596 33628 58849 59192 67256 117698 181351 235396 362702 470792 725404 1269457 1450808 2538914 5077828 8886199 10155656 17772398 35544796 71089592