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71007078 = 2311834513
BaseRepresentation
bin1000011101101…
…11101101100110
311221121112101210
410032313231212
5121134211303
611013532250
71521356502
oct416675546
9157545353
1071007078
113709973a
121b944086
131193202c
149605302
156379203
hex43b7b66

71007078 has 8 divisors (see below), whose sum is σ = 142014168. Its totient is φ = 23669024.

The previous prime is 71007043. The next prime is 71007089. The reversal of 71007078 is 87070017.

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

71007078 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5917251 + ... + 5917262.

It is an arithmetic number, because the mean of its divisors is an integer number (17751771).

Almost surely, 271007078 is an apocalyptic number.

71007078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71007078 is a wasteful number, since it uses less digits than its factorization.

71007078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11834518.

The product of its (nonzero) digits is 2744, while the sum is 30.

The square root of 71007078 is about 8426.5697647382. The cubic root of 71007078 is about 414.0955344419.

The spelling of 71007078 in words is "seventy-one million, seven thousand, seventy-eight".

Divisors: 1 2 3 6 11834513 23669026 35503539 71007078