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71070542 = 297366343
BaseRepresentation
bin1000011110001…
…11001101001110
311221201202110022
410033013031032
5121143224132
611015142142
71522042514
oct417071516
9157652408
1071070542
1137132394
121b974952
1311954b9a
1496204b4
15638ce12
hex43c734e

71070542 has 8 divisors (see below), whose sum is σ = 107705136. Its totient is φ = 35168832.

The previous prime is 71070541. The next prime is 71070547. The reversal of 71070542 is 24507017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71070541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182978 + ... + 183365.

It is an arithmetic number, because the mean of its divisors is an integer number (13463142).

Almost surely, 271070542 is an apocalyptic number.

71070542 is a deficient number, since it is larger than the sum of its proper divisors (36634594).

71070542 is a wasteful number, since it uses less digits than its factorization.

71070542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366442.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 71070542 is about 8430.3346315553. The cubic root of 71070542 is about 414.2188664352.

Adding to 71070542 its reverse (24507017), we get a palindrome (95577559).

The spelling of 71070542 in words is "seventy-one million, seventy thousand, five hundred forty-two".

Divisors: 1 2 97 194 366343 732686 35535271 71070542