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71328024 = 23323131957
BaseRepresentation
bin1000100000001…
…10000100011000
311222012211122200
410100012010120
5121224444044
611024450200
71524164265
oct420060430
9158184580
1071328024
1137298889
121ba79960
1311a15141
14968a26c
1563de369
hex4406118

71328024 has 48 divisors (see below), whose sum is σ = 199417920. Its totient is φ = 23008320.

The previous prime is 71328011. The next prime is 71328029. The reversal of 71328024 is 42082317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71328029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13747 + ... + 18210.

It is an arithmetic number, because the mean of its divisors is an integer number (4154540).

Almost surely, 271328024 is an apocalyptic number.

It is an amenable number.

71328024 is an abundant number, since it is smaller than the sum of its proper divisors (128089896).

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

71328024 is a wasteful number, since it uses less digits than its factorization.

71328024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32000 (or 31993 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 71328024 is about 8445.5919863560. The cubic root of 71328024 is about 414.7184891045.

The spelling of 71328024 in words is "seventy-one million, three hundred twenty-eight thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 248 279 372 558 744 1116 2232 31957 63914 95871 127828 191742 255656 287613 383484 575226 766968 990667 1150452 1981334 2300904 2972001 3962668 5944002 7925336 8916003 11888004 17832006 23776008 35664012 71328024