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71042048 = 2107111753
BaseRepresentation
bin1000011110000…
…00010000000000
311221200022100222
410033000100000
5121141321143
611014402212
71521563450
oct417002000
9157608328
1071042048
1137112a40
121b960368
1311944c1c
149613d60
156384768
hex43c0400

71042048 has 176 divisors, whose sum is σ = 191009664. Its totient is φ = 25559040.

The previous prime is 71042047. The next prime is 71042113. The reversal of 71042048 is 84024017.

It is a tau number, because it is divible by the number of its divisors (176).

It is not an unprimeable number, because it can be changed into a prime (71042047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1340390 + ... + 1340442.

Almost surely, 271042048 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 71042048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95504832).

71042048 is an abundant number, since it is smaller than the sum of its proper divisors (119967616).

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

71042048 is a wasteful number, since it uses less digits than its factorization.

71042048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 71042048 is about 8428.6444936300. The cubic root of 71042048 is about 414.1635020524.

The spelling of 71042048 in words is "seventy-one million, forty-two thousand, forty-eight".