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71024112 = 24321732851
BaseRepresentation
bin1000011101110…
…11110111110000
311221122101202200
410032323313300
5121140232422
611014143200
71521460245
oct416736760
9157571680
1071024112
1137100515
121b951b00
1311939a03
14960b5cc
15637e2ac
hex43bbdf0

71024112 has 60 divisors (see below), whose sum is σ = 199987944. Its totient is φ = 23529600.

The previous prime is 71024101. The next prime is 71024117. The reversal of 71024112 is 21142017.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71024117) 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, 23487 + ... + 26337.

Almost surely, 271024112 is an apocalyptic number.

71024112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71024112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99993972).

71024112 is an abundant number, since it is smaller than the sum of its proper divisors (128963832).

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

71024112 is a wasteful number, since it uses less digits than its factorization.

71024112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038 (or 3029 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 71024112 is about 8427.5804356885. The cubic root of 71024112 is about 414.1286444715.

Adding to 71024112 its reverse (21142017), we get a palindrome (92166129).

The spelling of 71024112 in words is "seventy-one million, twenty-four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 173 346 519 692 1038 1384 1557 2076 2768 2851 3114 4152 5702 6228 8304 8553 11404 12456 17106 22808 24912 25659 34212 45616 51318 68424 102636 136848 205272 410544 493223 986446 1479669 1972892 2959338 3945784 4439007 5918676 7891568 8878014 11837352 17756028 23674704 35512056 71024112