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71073234 = 2333473793
BaseRepresentation
bin1000011110001…
…11110111010010
311221201220011000
410033013313102
5121143320414
611015202430
71522053411
oct417076722
9157656130
1071073234
1137134411
121b976416
131195618b
149621478
15638db09
hex43c7dd2

71073234 has 32 divisors (see below), whose sum is σ = 158437440. Its totient is φ = 23616576.

The previous prime is 71073227. The next prime is 71073239. The reversal of 71073234 is 43237017.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 71073198 and 71073207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71073239) 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, 16842 + ... + 20634.

It is an arithmetic number, because the mean of its divisors is an integer number (4951170).

Almost surely, 271073234 is an apocalyptic number.

71073234 is an abundant number, since it is smaller than the sum of its proper divisors (87364206).

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

71073234 is a wasteful number, since it uses less digits than its factorization.

71073234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151 (or 4145 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 71073234 is about 8430.4942915585. The cubic root of 71073234 is about 414.2240962772.

The spelling of 71073234 in words is "seventy-one million, seventy-three thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 347 694 1041 2082 3123 3793 6246 7586 9369 11379 18738 22758 34137 68274 102411 204822 1316171 2632342 3948513 7897026 11845539 23691078 35536617 71073234