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71542058 = 272730021
BaseRepresentation
bin1000100001110…
…10010100101010
311222121201020212
410100322110222
5121303321213
611033221122
71526045300
oct420722452
9158551225
1071542058
1137424675
121bb617a2
1311a8b6a3
149704270
1564329a8
hex443a52a

71542058 has 12 divisors (see below), whose sum is σ = 124833762. Its totient is φ = 30660840.

The previous prime is 71541989. The next prime is 71542063. The reversal of 71542058 is 85024517.

It can be written as a sum of positive squares in only one way, i.e., 61575409 + 9966649 = 7847^2 + 3157^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364913 + ... + 365108.

Almost surely, 271542058 is an apocalyptic number.

71542058 is a deficient number, since it is larger than the sum of its proper divisors (53291704).

71542058 is a wasteful number, since it uses less digits than its factorization.

71542058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730037 (or 730030 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 71542058 is about 8458.2538387069. The cubic root of 71542058 is about 415.1328901364.

The spelling of 71542058 in words is "seventy-one million, five hundred forty-two thousand, fifty-eight".

Divisors: 1 2 7 14 49 98 730021 1460042 5110147 10220294 35771029 71542058