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71089032 = 23371922271
BaseRepresentation
bin1000011110010…
…11101110001000
311221202200211010
410033023232020
5121144322112
611015403520
71522150440
oct417135610
9157680733
1071089032
1137145273
121b9835a0
1311960421
149627120
15639363c
hex43cbb88

71089032 has 64 divisors (see below), whose sum is σ = 213811200. Its totient is φ = 19241280.

The previous prime is 71088989. The next prime is 71089033. The reversal of 71089032 is 23098017.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71089033) 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 15 ways as a sum of consecutive naturals, for example, 7944 + ... + 14327.

It is an arithmetic number, because the mean of its divisors is an integer number (3340800).

Almost surely, 271089032 is an apocalyptic number.

It is an amenable number.

71089032 is an abundant number, since it is smaller than the sum of its proper divisors (142722168).

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

71089032 is a wasteful number, since it uses less digits than its factorization.

71089032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22306 (or 22302 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 71089032 is about 8431.4311952361. The cubic root of 71089032 is about 414.2547849397.

The spelling of 71089032 in words is "seventy-one million, eighty-nine thousand, thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 19 21 24 28 38 42 56 57 76 84 114 133 152 168 228 266 399 456 532 798 1064 1596 3192 22271 44542 66813 89084 133626 155897 178168 267252 311794 423149 467691 534504 623588 846298 935382 1247176 1269447 1692596 1870764 2538894 2962043 3385192 3741528 5077788 5924086 8886129 10155576 11848172 17772258 23696344 35544516 71089032