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71073282 = 2371692221
BaseRepresentation
bin1000011110001…
…11111000000010
311221201220012210
410033013320002
5121143321112
611015202550
71522053510
oct417077002
9157656183
1071073282
1137134455
121b976456
13119561c7
1496214b0
15638db3c
hex43c7e02

71073282 has 16 divisors (see below), whose sum is σ = 162453312. Its totient is φ = 20306640.

The previous prime is 71073253. The next prime is 71073283. The reversal of 71073282 is 28237017.

It is a super-2 number, since 2×710732822 = 10102822828503048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71073283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846069 + ... + 846152.

It is an arithmetic number, because the mean of its divisors is an integer number (10153332).

Almost surely, 271073282 is an apocalyptic number.

71073282 is an abundant number, since it is smaller than the sum of its proper divisors (91380030).

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

71073282 is a wasteful number, since it uses less digits than its factorization.

71073282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692233.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 71073282 is about 8430.4971383662. The cubic root of 71073282 is about 414.2241895273.

The spelling of 71073282 in words is "seventy-one million, seventy-three thousand, two hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 1692221 3384442 5076663 10153326 11845547 23691094 35536641 71073282