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71070054 = 231110131063
BaseRepresentation
bin1000011110001…
…11000101100110
311221201201210020
410033013011212
5121143220204
611015140010
71522041216
oct417070546
9157651706
1071070054
1137131a90
121b974606
13119548b3
149620246
15638cbd9
hex43c7166

71070054 has 32 divisors (see below), whose sum is σ = 155361024. Its totient is φ = 21494880.

The previous prime is 71070029. The next prime is 71070061. The reversal of 71070054 is 45007017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66327 + ... + 67389.

It is an arithmetic number, because the mean of its divisors is an integer number (4855032).

Almost surely, 271070054 is an apocalyptic number.

71070054 is an abundant number, since it is smaller than the sum of its proper divisors (84290970).

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

71070054 is a wasteful number, since it uses less digits than its factorization.

71070054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 71070054 is about 8430.3056884077. The cubic root of 71070054 is about 414.2179183665.

The spelling of 71070054 in words is "seventy-one million, seventy thousand, fifty-four".

Divisors: 1 2 3 6 11 22 33 66 1013 1063 2026 2126 3039 3189 6078 6378 11143 11693 22286 23386 33429 35079 66858 70158 1076819 2153638 3230457 6460914 11845009 23690018 35535027 71070054