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71332048 = 244458253
BaseRepresentation
bin1000100000001…
…11000011010000
311222020001011201
410100013003100
5121230111143
611024520544
71524212104
oct420070320
9158201151
1071332048
11372a0907
121ba80154
1311a16c18
14968b904
1563e064d
hex44070d0

71332048 has 10 divisors (see below), whose sum is σ = 138205874. Its totient is φ = 35666016.

The previous prime is 71332043. The next prime is 71332049. The reversal of 71332048 is 84023317.

It can be written as a sum of positive squares in only one way, i.e., 51724864 + 19607184 = 7192^2 + 4428^2 .

It is a super-2 number, since 2×713320482 = 10176522143748608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71332043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2229111 + ... + 2229142.

Almost surely, 271332048 is an apocalyptic number.

It is an amenable number.

71332048 is a deficient number, since it is larger than the sum of its proper divisors (66873826).

71332048 is a wasteful number, since it uses less digits than its factorization.

71332048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458261 (or 4458255 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 71332048 is about 8445.8302137801. The cubic root of 71332048 is about 414.7262877963.

It can be divided in two parts, 713 and 32048, that added together give a square (32761 = 1812).

The spelling of 71332048 in words is "seventy-one million, three hundred thirty-two thousand, forty-eight".

Divisors: 1 2 4 8 16 4458253 8916506 17833012 35666024 71332048